Claude Sonnet 5 pricing: real cost per million tokens
What Anthropic's Claude Sonnet 5 really costs across 4 plans from 1 provider: 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 is Claude Pro at a real cost of about $0.00309 per million tokens ($20/month for roughly 6.472B tokens a month). We track 4 plans and API channels that serve Claude Sonnet 5. Official API list price per million tokens: $0.2 cached input, $2 input, $10 output — about $0.294 per million tokens on a standard workload mix.
- Lowest real price
- $0.00309/MTokClaude Pro
- API list price
- $0.294/MTokstandard workload mix
- Most monthly tokens
- 39.25BClaude Max 20x (9/14+)
- Plans & APIs
- 43 subscriptions · 1 metered API
Plot Claude Sonnet 5 on the price–capability chart →
Claude Sonnet 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 Pro | Anthropic | Subscription | $20/mo | 6.472B | $0.00309 | 95.1× | Medium | Evidence ↓ | |
| Claude Max 5x (9/14+) | Anthropic | Subscription | $100/mo | 19.625B | $0.0051 | 57.7× | Low | Evidence ↓ | |
| Claude Max 20x (9/14+) | Anthropic | Subscription | $200/mo | 39.25B | $0.0051 | 57.7× | Medium | Evidence ↓ | |
| Claude Sonnet 5 API | Anthropic | Metered API | — | — | $0.3065 | — | High | 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 ProAnthropic$0.00309/MTok
- Plan
- Claude Pro · Anthropic
- Data date
- 2026-09-14 – 2026-09-22 · derived; uses the data date of Claude Pro · claude-opus-5
- Real price / MTok
- $0.00309
- Monthly tokens
- 6,472,500,000 (6.472B)
- Quota confidence
- Medium
- Calculation
- $20 / month ÷ 6,472,500,000 tokens × 1,000,000 ≈ $0.00309 / MTok
- Quota basis
Anthropic workload: 97% cache reads / 2.5% cache writes / 0.5% output
Official API list (cached / in / out, per MTok): $0.2 / $2 / $10 · standard-load blended ≈ $0.294/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (6 configurations)
Terminal-Bench 4.0: Low (1 configuration)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Agent Arena · Overall (Ranking / Pareto): Low (1 configuration)
DeepSWE v1.1: Low (5 configurations)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 2.589B × 2.5
6.905B→6.4725B: the baseline follows the Opus 5 normalization 27.62→25.89 × price ratio 2.5 — not a Sonnet measurement (the earlier chain 39.7→46.95→69.05 is on the raw basis); community-issues-round1-2026-09-29.json; workload-conversion-round1-2026-09-30.json
community-issues-round1-2026-09-29.jsonworkload-conversion-round1-2026-09-30.jsonBrowse the public evidence archive
Claude Max 5x (9/14+)Anthropic$0.00509554/MTok
- Data date
- 2026-08 · derived; uses the data date of Claude Max 20x (9/14+) · claude-opus-5
- Real price / MTok
- $0.00509554
- Monthly tokens
- 19,625,000,000 (19.625B)
- Quota confidence
- Low
- Calculation
- $100 / month ÷ 19,625,000,000 tokens × 1,000,000 ≈ $0.00509554 / MTok
- Quota basis
Not workload-normalized: sample lacks a token breakdown (or is an official absolute token table); raw tokens used as-is
Official API list (cached / in / out, per MTok): $0.2 / $2 / $10 · standard-load blended ≈ $0.294/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (6 configurations)
Terminal-Bench 4.0: Low (1 configuration)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Agent Arena · Overall (Ranking / Pareto): Low (1 configuration)
DeepSWE v1.1: Low (5 configurations)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 7.85B × 2.5
Old 8.9B→19.625B; 78.5×price ratio 2.5, derived on the 9/14 permanent basis; claude-adoption-round6-2026-09-06.json
claude-adoption-round6-2026-09-06.jsonBrowse the public evidence archive
Claude Max 20x (9/14+)Anthropic$0.00509554/MTok
- Data date
- 2026-08 · derived; uses the data date of Claude Max 20x (9/14+) · claude-opus-5
- Real price / MTok
- $0.00509554
- Monthly tokens
- 39,250,000,000 (39.25B)
- Quota confidence
- Medium
- Calculation
- $200 / month ÷ 39,250,000,000 tokens × 1,000,000 ≈ $0.00509554 / MTok
- Quota basis
Not workload-normalized: sample lacks a token breakdown (or is an official absolute token table); raw tokens used as-is
Official API list (cached / in / out, per MTok): $0.2 / $2 / $10 · standard-load blended ≈ $0.294/MTok
- Benchmark mapping
- Artificial Analysis Intelligence Index v4.3: Medium (6 configurations)
Terminal-Bench 4.0: Low (1 configuration)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Agent Arena · Overall (Ranking / Pareto): Low (1 configuration)
DeepSWE v1.1: Low (5 configurations)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 15.7B × 2.5
Old 20B→39.25B, low→medium; 157×Opus/Sonnet price ratio 2.5, derived on the 9/14 permanent basis — not a Sonnet measurement; claude-adoption-round6-2026-09-06.json
claude-adoption-round6-2026-09-06.jsonBrowse the public evidence archive
Claude Sonnet 5 APIAnthropic$0.3065/MTok
- Plan
- Claude Sonnet 5 API · Anthropic
- Data date
- 2026-09-05 · official source date
- Real price / MTok
- $0.3065
- 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 (6 configurations)
Terminal-Bench 4.0: Low (1 configuration)
Terminal-Bench 4.0 (AA): Low (5 configurations)
Code Arena | WebDev Overall: Low (1 configuration)
Agent Arena · Overall (Ranking / Pareto): Low (1 configuration)
DeepSWE v1.1: Low (5 configurations)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
List price cached 0.2/in 2.0/out 10.0, cache write (5m) $2.5 × Anthropic unified workload 97.0%/2.50%/0.50% (the regular-input share is billed at the 5-minute cache-write price)
Claude Sonnet 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 | 38.16 | #28 / 60 | Claude Sonnet 5 (max) | Max | — | 6 | 2026-10-01 |
| Terminal-Bench 4.0 | Resolution Rate % | 12.42 | #16 / 18 | Claude Code - Sonnet 5 (max) | Max | Claude Code | 1 | 2026-09-21 |
| Terminal-Bench 4.0 (AA) | Resolution Rate % | 14.14 | #26 / 53 | Artificial Analysis - Claude Sonnet 5 (max) | Max | Artificial Analysis | 5 | 2026-10-01 |
| Code Arena | WebDev Overall | Arena Score | 1,540 | #31 / 54 | claude-sonnet-5-high | High | — | 1 | 2026-09-30 |
| Agent Arena · Overall (Ranking / Pareto) | Net Improvement % | 4.81 | #9 / 39 | Claude Sonnet 5 (High) | High | — | 1 | 2026-09-30 |
| DeepSWE v1.1 | Pass@1 % | 53.85 | #22 / 33 | mini-swe-agent - claude-sonnet-5 (max) | Max | mini-swe-agent | 5 | 2026-09-03 |
Every archived configuration
Artificial Analysis Intelligence Index v4.3 6 configurations
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| Claude Sonnet 5 (max) | 38.1639 | — | — / Max / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5 (xhigh) | 34.3842 | — | — / xhigh / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5 (high) | 31.6623 | — | — / High / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5 (medium) | 28.0531 | — | — / Medium / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5 (low) | 24.2638 | — | — / Low / — | — / — | 2026-10-01 | Source · Archive |
| Claude Sonnet 5 (non-reasoning) [AA estimate]Claude Sonnet 5 (non-reasoning)Marked intelligenceIndexIsEstimated=true in AA embedded payload; retained as estimate, not treated as fully measured. | 23.2 AA estimate | — | — / — / — | — / — | 2026-10-01 | Source · Archive |
Terminal-Bench 4.0 1 configuration
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| Claude Code - Sonnet 5 (max)Official Terminal-Bench 4.0 leaderboard row; score belongs to this harness × model × effort configuration. | 12.42 | 9.36 – 15.48 | Claude Code / Max / — | — / — | 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 (max)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. | 14.1414 | — | Artificial Analysis / Max / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5 (xhigh)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. | 7.0707 | — | Artificial Analysis / xhigh / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5 (high)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. | 5.0505 | — | Artificial Analysis / High / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5 (low)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. | 2.5253 | — | Artificial Analysis / Low / — | — / — | 2026-10-01 | Source · Archive |
| Artificial Analysis - Claude Sonnet 5 (medium)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. | 2.0202 | — | Artificial Analysis / Medium / — | — / — | 2026-10-01 | Source · Archive |
Code Arena | WebDev Overall 1 configuration
Agent Arena · Overall (Ranking / Pareto) 1 configuration
DeepSWE v1.1 5 configurations
| Configuration | Score | Score interval | Harness / effort / mode | Source task cost (mean / median) | Checked | Links |
|---|---|---|---|---|---|---|
| mini-swe-agent - claude-sonnet-5 (max) | 53.8462 | 49.609 – 58.083 | mini-swe-agent / Max / — | $26.4 / $23.28 | 2026-09-12 | Source · Archive |
| mini-swe-agent - claude-sonnet-5 (xhigh) | 49.6674 | 46.213 – 53.122 | mini-swe-agent / xhigh / — | $11.89 / $9.965 | 2026-09-12 | Source · Archive |
| mini-swe-agent - claude-sonnet-5 (high) | 48.2301 | 43.724 – 52.736 | mini-swe-agent / High / — | $7.426 / $5.834 | 2026-09-12 | Source · Archive |
| mini-swe-agent - claude-sonnet-5 (medium) | 39.7778 | 36.65 – 42.905 | mini-swe-agent / Medium / — | $4.079 / $3.357 | 2026-09-12 | Source · Archive |
| mini-swe-agent - claude-sonnet-5 (low) | 30.5122 | 29.386 – 31.638 | mini-swe-agent / Low / — | $2.187 / $1.677 | 2026-09-12 | Source · Archive |
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 official API pricing
| Cached input | Input | Output |
|---|---|---|
| $0.2 | $2 | $10 |
Frequently asked questions
How much does Claude Sonnet 5 really cost per million tokens?
Measured as monthly fee ÷ tokens you can actually use, Claude Sonnet 5 ranges from $0.00309 (Claude Pro) to $0.3065 (Claude Sonnet 5 API) per million tokens.
Which subscription gives the most Claude Sonnet 5 usage?
Claude Max 20x (9/14+) allows roughly 39.25B tokens of Claude Sonnet 5 per month for $200.
What is the official API price of Claude Sonnet 5?
Official API list price per million tokens: $0.2 cached input, $2 input, $10 output — about $0.294 per million tokens on a standard workload mix.
How does Claude Sonnet 5 score on independent leaderboards?
Claude Sonnet 5 has scores on 6 leaderboards; its strongest placement is 4.81 (Net Improvement %) on Agent Arena · Overall (Ranking / Pareto), #9 of 39 models tracked.
Who makes Claude Sonnet 5, and where can I use it?
Claude Sonnet 5 (model ID claude-sonnet-5) is made by Anthropic and is available through Anthropic.
More Anthropic models
| Model | Lowest real $/MTok | Cheapest plan | Plans |
|---|---|---|---|
| Claude Haiku 5.5 | $0.00028 | Claude Max 5x (9/14+) | 4 |
| Claude Sonnet 5.5 | $0.00273 | Claude Max 5x (9/14+) | 6 |
| 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 |