Claude Sonnet 5.5 pricing: real cost per million tokens
What Anthropic's Claude Sonnet 5.5 really costs across 6 plans from 3 providers: monthly fees, usable allowances and real per-token prices, against the official API list price and independent leaderboards.
Data updated · How real prices are computed
As of 2026-10-08, the cheapest way to use Claude Sonnet 5.5 is Claude Max 5x (9/14+) at a real cost of about $0.00273 per million tokens ($100/month for roughly 36.668B tokens a month). We track 6 plans and API channels that serve Claude Sonnet 5.5. Official API list price per million tokens: $0.1 cached input, $2 input, $10 output — about $0.197 per million tokens on a standard workload mix.
- Lowest real price
- $0.00273/MTokClaude Max 5x (9/14+)
- API list price
- $0.197/MTokstandard workload mix
- Most monthly tokens
- 63.076BClaude Max 20x (9/14+)
- Plans & APIs
- 65 subscriptions · 1 metered API
Plot Claude Sonnet 5.5 on the price–capability chart →
Claude Sonnet 5.5 plans and real prices
Real price = monthly fee ÷ tokens you can actually use in a month. “vs API” shows how many times cheaper than the official API list price (standard workload mix) the plan is. “Evidence” opens the full calculation and sources for that row.
| Plan | Provider | Billing | Monthly fee | Monthly tokens | Real $/MTok | vs API | Confidence | Data date | |
|---|---|---|---|---|---|---|---|---|---|
| Claude Max 5x (9/14+) | Anthropic | Subscription | $100/mo | 36.668B | $0.00273 | 72.2× | Low | Evidence ↓ | |
| Claude Max 20x (9/14+) | Anthropic | Subscription | $200/mo | 63.076B | $0.00317 | 62.1× | Low | Evidence ↓ | |
| Claude Pro | Anthropic | Subscription | $20/mo | 6.108B | $0.00327 | 60.2× | Low | Evidence ↓ | |
| Droid Max | Factory | Subscription | $200/mo | 5.052B | $0.03959 | 5× | Medium | Evidence ↓ | |
| Claude Sonnet 5.5 API | Anthropic | Metered API | — | — | $0.2095 | — | High | Evidence ↓ | |
| Command Code GOAT | Command Code | Subscription | $10/mo | 0.034B | $0.2941 | 0.7× | Medium | Evidence ↓ |
Behind each number
For every plan: the data date, the exact calculation, the quota basis, how leaderboard scores were mapped, and the original adoption evidence with its sources.
Claude Max 5x (9/14+)Anthropic$0.00272717/MTok
- Data date
- 2026-09-29 – 2026-10-03 · derived; uses the data date of Claude Max 5x (9/14+) · claude-opus-5.5
- Real price / MTok
- $0.00272717
- Monthly tokens
- 36,668,000,000 (36.668B)
- Quota confidence
- Low
- Calculation
- $100 / month ÷ 36,668,000,000 tokens × 1,000,000 ≈ $0.00272717 / MTok
- Quota basis
Anthropic workload: 97% cache reads / 2.5% cache writes / 0.5% output
Official API list (cached / in / out, per MTok): $0.1 / $2 / $10 · standard-load blended ≈ $0.197/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (4 configurations)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Artificial Analysis Coding Agent Index v1.5: Low (5 configurations)
OpenDesign Arena · Quality ranking: Low (1 configuration)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
From same-plan claude-opus-5.5 18.334B × 2.0
New 36.668B: Max 5x Opus 5.5 direct-measurement anchor 18.334B × blended-price ratio 2, same-basis derivation as Pro, not measured; ruled on 2026-10-08 to anchor to the same-plan directly measured row instead of 20x÷2 (which yields 31.538B, not adopted); claude-haiku55-round1-2026-10-08.json
claude-haiku55-round1-2026-10-08.jsonBrowse the public evidence archive
Claude Max 20x (9/14+)Anthropic$0.00317078/MTok
- Data date
- 2026-09-22 – 2026-09-27 · derived; uses the data date of Claude Max 20x (9/14+) · claude-opus-5.5
- Real price / MTok
- $0.00317078
- Monthly tokens
- 63,076,000,000 (63.076B)
- Quota confidence
- Low
- Calculation
- $200 / month ÷ 63,076,000,000 tokens × 1,000,000 ≈ $0.00317078 / MTok
- Quota basis
Anthropic workload: 97% cache reads / 2.5% cache writes / 0.5% output
Official API list (cached / in / out, per MTok): $0.1 / $2 / $10 · standard-load blended ≈ $0.197/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (4 configurations)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Artificial Analysis Coding Agent Index v1.5: Low (5 configurations)
OpenDesign Arena · Quality ranking: Low (1 configuration)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
From same-plan claude-opus-5.5 31.538B × 2.0
New 63.076B: Max 20x Opus 5.5 adopted value 31.538B × blended-price ratio 2, same-basis derivation as Pro, not measured; claude-haiku55-round1-2026-10-08.json
claude-haiku55-round1-2026-10-08.jsonBrowse the public evidence archive
Claude ProAnthropic$0.00327439/MTok
- Plan
- Claude Pro · Anthropic
- Data date
- 2026-09-22 – 2026-09-27 · derived; uses the data date of Claude Pro · claude-opus-5.5
- Real price / MTok
- $0.00327439
- Monthly tokens
- 6,108,000,000 (6.108B)
- Quota confidence
- Low
- Calculation
- $20 / month ÷ 6,108,000,000 tokens × 1,000,000 ≈ $0.00327439 / MTok
- Quota basis
Anthropic workload: 97% cache reads / 2.5% cache writes / 0.5% output
Official API list (cached / in / out, per MTok): $0.1 / $2 / $10 · standard-load blended ≈ $0.197/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (4 configurations)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Artificial Analysis Coding Agent Index v1.5: Low (5 configurations)
OpenDesign Arena · Quality ranking: Low (1 configuration)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
From same-plan claude-opus-5.5 3.054B × 2.0
New 6.108B: Pro Opus 5.5 measured anchor 3.054B × blended-price ratio 2 (post-cut Sonnet 5.5 $0.2095 vs Opus 5.5 $0.419); launch price $0.3065 basis 4.175B kept as comparison; X @1kartikkabadi1 derivation chart + official price list; claude-haiku55-round1-2026-10-08.json
claude-haiku55-round1-2026-10-08.jsonBrowse the public evidence archive
Droid MaxFactory$0.0395883/MTok
- Data date
- 2026-09-29 · derived; uses the data date of Droid Max · claude-opus-5.5
- Real price / MTok
- $0.0395883
- Monthly tokens
- 5,052,000,000 (5.052B)
- Quota confidence
- Medium
- Calculation
- $200 / month ÷ 5,052,000,000 tokens × 1,000,000 ≈ $0.0395883 / MTok
- Quota basis
Anthropic workload: 97% cache reads / 2.5% cache writes / 0.5% output
Official API list (cached / in / out, per MTok): $0.1 / $2 / $10 · standard-load blended ≈ $0.197/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (4 configurations)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Artificial Analysis Coding Agent Index v1.5: Low (5 configurations)
OpenDesign Arena · Quality ranking: Low (1 configuration)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
Derived from same-plan claude-opus-5.5 2.526B × 2.0
Factory official multipliers Opus 5.5 1.6× / claude-sonnet-5.5 0.8×: the same Standard Usage pool scaled by multiplier — not a measurement of this model; inherits the Opus 5.5 row's Anthropic-tier workload, not recomputed for each model's own price gap; docs.factory.ai/docs/models; droid-model-multipliers-2026-09-29.json
droid-model-multipliers-2026-09-29.jsonBrowse the public evidence archive
Claude Sonnet 5.5 APIAnthropic$0.2095/MTok
- Data date
- 2026-10-08 · official source date
- Real price / MTok
- $0.2095
- Quota confidence
- High
- Calculation
- Metered API · public token prices weighted by the Anthropic workload (input share at the 5-minute cache-write rate).
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (4 configurations)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Artificial Analysis Coding Agent Index v1.5: Low (5 configurations)
OpenDesign Arena · Quality ranking: Low (1 configuration)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
platform.claude.com/docs/en/about-claude/pricing; launch price (2026-09-28) cache read $0.20 (same as Sonnet 5), cut to $0.10 = base input×0.05 on Haiku 5.5 launch day (same basis as Opus 5.5); input/output and write $2.5/5m unchanged; claude-haiku55-round1-2026-10-08.json
List cached 0.1/in 2.0/out 10.0, cache write (5m) $2.5 × Anthropic unified workload 97.0%/2.50%/0.50% (the regular-input share priced at the 5-minute cache-write rate)
claude-haiku55-round1-2026-10-08.jsonBrowse the public evidence archive
Command Code GOATCommand Code$0.294118/MTok
- Data date
- 2026-09-30 · official source date
- Real price / MTok
- $0.294118
- Monthly tokens
- 34,000,000 (0.034B)
- Quota confidence
- Medium
- Calculation
- $10 / month ÷ 34,000,000 tokens × 1,000,000 ≈ $0.294118 / MTok
- Quota basis
Standard workload: 97% cache reads / 2.5% input / 0.5% output
Official API list (cached / in / out, per MTok): $0.1 / $2 / $10 · standard-load blended ≈ $0.197/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (4 configurations)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Artificial Analysis Coding Agent Index v1.5: Low (5 configurations)
OpenDesign Arena · Quality ranking: Low (1 configuration)Mapping confidence: how directly each score refers to the model served here.
Adoption evidence · source and rationale (translated from the Chinese record)
https://commandcode.ai/docs/plans/goat official per-model allowance and three-part pricing; https://commandcode.ai/pricing; $10->$70 credits; code-subscriptions-round1-2026-09-06.json; goat-opencode-catalogs-round3-2026-09-30.json
Added 34M: min(shared monthly pool $70, model allowance $10) ÷ project standard-workload weighted price; official three-part price; standalone table $10 (launched 2026-9-28); cache write $2.50 excluded from standard workload; channel catalog price unchanged by vendor cached-read cut (2026-10-8); goat-opencode-catalogs-round3-2026-09-30.json; claude-haiku55-round1-2026-10-08.json. Processing fee ignored; allowances of different models in the same plan are not additive; no usage-panel token+% screenshot — computed from official absolute credits and the price list
https://commandcode.ai/docs/plans/goathttps://commandcode.ai/pricing;claude-haiku55-round1-2026-10-08.jsoncode-subscriptions-round1-2026-09-06.jsongoat-opencode-catalogs-round3-2026-09-30.jsonBrowse the public evidence archive
Claude Sonnet 5.5 benchmark scores
Highest archived configuration per leaderboard; ranks are among all models each board archives in this dataset. Scores are never mixed across boards.
| Leaderboard | Metric | Score | Rank | Configuration | Effort | Harness | Configs | Snapshot |
|---|---|---|---|---|---|---|---|---|
| Artificial Analysis Intelligence Index v4.3 | Intelligence Index | 55.98 | #2 / 60 | Claude Sonnet 5.5 (max with fallback) | Max | — | 4 | 2026-10-01 |
| Terminal-Bench 4.0 (AA) | Resolution Rate % | 63.64 | #1 / 53 | Artificial Analysis - Claude Sonnet 5.5 (max with fallback) | Max | Artificial Analysis | 5 | 2026-10-01 |
| Code Arena | WebDev Overall | Arena Score | 1,709 | #5 / 54 | claude-sonnet-5.5-high | High | — | 1 | 2026-09-30 |
| Artificial Analysis Coding Agent Index v1.5 | Coding Agent Index | 68.36 | #1 / 19 | Claude Code - Sonnet 5.5 (max) | Max | Claude Code | 5 | 2026-10-01 |
| OpenDesign Arena · Quality ranking | Average task score | 86.8 | #3 / 16 | Claude Sonnet 5.5 | — | OpenDesign | 1 | 2026-10-01 |
Every archived configuration
Artificial Analysis Intelligence Index v4.3 4 configurations
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| Claude Sonnet 5.5 (max with fallback) | 55.978 | — | — / Max / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5.5 (xhigh with fallback) | 51.8523 | — | — / xhigh / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5.5 (high with fallback) | 46.7357 | — | — / High / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5.5 (medium with fallback) | 40.7387 | — | — / Medium / — | — / — | 2026-10-01 | Source · Archive |
Terminal-Bench 4.0 (AA) 5 configurations
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| Artificial Analysis - Claude Sonnet 5.5 (max with fallback)AA's own-harness independent measurement of Terminal-Bench 4.0 (the terminalBench40 field in the models-board payload, fraction×100); scored separately from the official tbench.ai board. | 63.6364 | — | Artificial Analysis / Max / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5.5 (xhigh with fallback)AA's own-harness independent measurement of Terminal-Bench 4.0 (the terminalBench40 field in the models-board payload, fraction×100); scored separately from the official tbench.ai board. | 57.0707 | — | Artificial Analysis / xhigh / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5.5 (high with fallback)AA's own-harness independent measurement of Terminal-Bench 4.0 (the terminalBench40 field in the models-board payload, fraction×100); scored separately from the official tbench.ai board. | 43.9394 | — | Artificial Analysis / High / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5.5 (medium with fallback)AA's own-harness independent measurement of Terminal-Bench 4.0 (the terminalBench40 field in the models-board payload, fraction×100); scored separately from the official tbench.ai board. | 29.798 | — | Artificial Analysis / Medium / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5.5 (low with fallback)AA's own-harness independent measurement of Terminal-Bench 4.0 (the terminalBench40 field in the models-board payload, fraction×100); scored separately from the official tbench.ai board. | 20.7071 | — | Artificial Analysis / Low / — | — / — | 2026-10-01 | Source · Archive |
Code Arena | WebDev Overall 1 configuration
Artificial Analysis Coding Agent Index v1.5 5 configurations
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| Claude Code - Sonnet 5.5 (max)Score belongs to this named agent/harness × model configuration; it is not a harness-independent model measurement. indexScore stored as percent (raw fraction × 100). | 68.3578 | — | Claude Code / Max / — | $14.19 / — | 2026-10-01 | Source · Archive |
| Claude Code - Sonnet 5.5 (xhigh)Score belongs to this named agent/harness × model configuration; it is not a harness-independent model measurement. indexScore stored as percent (raw fraction × 100). | 62.8714 | — | Claude Code / xhigh / — | $3.333 / — | 2026-10-01 | Source · Archive |
| Claude Code - Sonnet 5.5 (high)Score belongs to this named agent/harness × model configuration; it is not a harness-independent model measurement. indexScore stored as percent (raw fraction × 100). | 55.0125 | — | Claude Code / High / — | $1.236 / — | 2026-10-01 | Source · Archive |
| Claude Code - Sonnet 5.5 (medium)Score belongs to this named agent/harness × model configuration; it is not a harness-independent model measurement. indexScore stored as percent (raw fraction × 100). | 45.884 | — | Claude Code / Medium / — | $0.6188 / — | 2026-10-01 | Source · Archive |
| Claude Code - Sonnet 5.5 (low)Score belongs to this named agent/harness × model configuration; it is not a harness-independent model measurement. indexScore stored as percent (raw fraction × 100). | 42.0593 | — | Claude Code / Low / — | $0.4831 / — | 2026-10-01 | Source · Archive |
OpenDesign Arena · Quality ranking 1 configuration
These are reference mappings, not benchmarks of a subscription or API channel. Harness and quota-measurement effort alignment are unverified. Source task costs are not subscription task costs.
- Exact served-model reference; quota-measurement effort is unverified.
- Exact served-model reference only; product harness and quota-measurement effort are unverified. Not a benchmark measurement of this subscription or API channel.
Claude Sonnet 5.5 official API pricing
| Cached input | Input | Output |
|---|---|---|
| $0.1 | $2 | $10 |
Frequently asked questions
How much does Claude Sonnet 5.5 really cost per million tokens?
Measured as monthly fee ÷ tokens you can actually use, Claude Sonnet 5.5 ranges from $0.00273 (Claude Max 5x (9/14+)) to $0.2941 (Command Code GOAT) per million tokens.
Which subscription gives the most Claude Sonnet 5.5 usage?
Claude Max 20x (9/14+) allows roughly 63.076B tokens of Claude Sonnet 5.5 per month for $200.
What is the official API price of Claude Sonnet 5.5?
Official API list price per million tokens: $0.1 cached input, $2 input, $10 output — about $0.197 per million tokens on a standard workload mix.
How does Claude Sonnet 5.5 score on independent leaderboards?
Claude Sonnet 5.5 has scores on 5 leaderboards; its strongest placement is 63.64 (Resolution Rate %) on Terminal-Bench 4.0 (AA), #1 of 53 models tracked.
Who makes Claude Sonnet 5.5, and where can I use it?
Claude Sonnet 5.5 (model ID claude-sonnet-5.5) is made by Anthropic and is available through Anthropic, Command Code, Factory.
More Anthropic models
| Model | Lowest real $/MTok | Cheapest plan | Plans |
|---|---|---|---|
| Claude Haiku 5.5 | $0.00028 | Claude Max 5x (9/14+) | 4 |
| Claude Sonnet 5 | $0.00309 | Claude Pro | 4 |
| Claude Opus 5.5 | $0.00545 | Claude Max 5x (9/14+) | 9 |
| Claude Opus 4.8 | $0.00772 | Claude Pro | 3 |
| Claude Opus 5 | $0.00772 | Claude Pro | 5 |
| Claude Fable 5 | $0.1083 | Claude Max 5x (9/14+) | 4 |
| Claude Fable 5.1 | $0.1157 | Claude Max 20x (9/14+) | 4 |