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Anthropic
Claude Sonnet 5 is designed for fast coding, tool use, and multi-step agent workflows. It supports adaptive thinking, text and image input, and a million-token context window.
From provider documentation. Reviewed September 18, 2026.
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Anthropic
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Estimates use tracked list rates. They are not actual charges or a billing commitment. Taxes, tool fees, negotiated rates and provider-specific limits may differ. Provider sign-in is required to buy credits.
Anthropic made the introductory $2 input / $10 output rates permanent. Older benchmark charts may still calculate cost using $3 / $15.
Hover, tap, or use the day slider to inspect prices.
Dots mark documented effective dates. Dashed lines infer continuity between known events; they are not daily observations. Uncertain changes and retirements break the line. Lines stop at the last dated price evidence. Choose a live-check source for later observations; see the timeline below for citations. All dates are UTC.
| Date (UTC) | Input | Output | Evidence |
|---|---|---|---|
| 2026-06-30 | $2 | $10 | Documented date |
| 2026-07-01 | $2 | $10 | Inferred continuity |
| 2026-07-02 | $2 | $10 | Inferred continuity |
| 2026-07-03 | $2 | $10 | Inferred continuity |
| 2026-07-04 | $2 | $10 | Inferred continuity |
| 2026-07-05 | $2 | $10 | Inferred continuity |
| 2026-07-06 | $2 | $10 | Inferred continuity |
| 2026-07-07 | $2 | $10 | Inferred continuity |
| 2026-07-08 | $2 | $10 | Inferred continuity |
| 2026-07-09 | $2 | $10 | Inferred continuity |
| 2026-07-10 | $2 | $10 | Inferred continuity |
| 2026-07-11 | $2 | $10 | Inferred continuity |
| 2026-07-12 | $2 | $10 | Inferred continuity |
| 2026-07-13 | $2 | $10 | Inferred continuity |
| 2026-07-14 | $2 | $10 | Inferred continuity |
| 2026-07-15 | $2 | $10 | Inferred continuity |
| 2026-07-16 | $2 | $10 | Inferred continuity |
| 2026-07-17 | $2 | $10 | Inferred continuity |
| 2026-07-18 | $2 | $10 | Inferred continuity |
| 2026-07-19 | $2 | $10 | Inferred continuity |
| 2026-07-20 | $2 | $10 | Inferred continuity |
| 2026-07-21 | $2 | $10 | Inferred continuity |
| 2026-07-22 | $2 | $10 | Inferred continuity |
| 2026-07-23 | $2 | $10 | Inferred continuity |
| 2026-07-24 | $2 | $10 | Inferred continuity |
| 2026-07-25 | $2 | $10 | Inferred continuity |
| 2026-07-26 | $2 | $10 | Inferred continuity |
| 2026-07-27 | $2 | $10 | Inferred continuity |
| 2026-07-28 | $2 | $10 | Inferred continuity |
| 2026-07-29 | $2 | $10 | Inferred continuity |
| 2026-07-30 | $2 | $10 | Inferred continuity |
| 2026-07-31 | $2 | $10 | Inferred continuity |
| 2026-08-01 | $2 | $10 | Inferred continuity |
| 2026-08-02 | $2 | $10 | Inferred continuity |
| 2026-08-03 | $2 | $10 | Inferred continuity |
| 2026-08-04 | $2 | $10 | Inferred continuity |
| 2026-08-05 | $2 | $10 | Inferred continuity |
| 2026-08-06 | $2 | $10 | Inferred continuity |
| 2026-08-07 | $2 | $10 | Inferred continuity |
| 2026-08-08 | $2 | $10 | Inferred continuity |
| 2026-08-09 | $2 | $10 | Inferred continuity |
| 2026-08-10 | $2 | $10 | Documented date |
| 2026-08-11 | Not observed | Not observed | No evidence |
| 2026-08-12 | Not observed | Not observed | No evidence |
| 2026-08-13 | Not observed | Not observed | No evidence |
| 2026-08-14 | Not observed | Not observed | No evidence |
| 2026-08-15 | Not observed | Not observed | No evidence |
| 2026-08-16 | Not observed | Not observed | No evidence |
| 2026-08-17 | Not observed | Not observed | No evidence |
| 2026-08-18 | Not observed | Not observed | No evidence |
| 2026-08-19 | Not observed | Not observed | No evidence |
| 2026-08-20 | Not observed | Not observed | No evidence |
| 2026-08-21 | Not observed | Not observed | No evidence |
| 2026-08-22 | Not observed | Not observed | No evidence |
| 2026-08-23 | Not observed | Not observed | No evidence |
| 2026-08-24 | Not observed | Not observed | No evidence |
| 2026-08-25 | Not observed | Not observed | No evidence |
| 2026-08-26 | Not observed | Not observed | No evidence |
| 2026-08-27 | Not observed | Not observed | No evidence |
| 2026-08-28 | Not observed | Not observed | No evidence |
| 2026-08-29 | Not observed | Not observed | No evidence |
| 2026-08-30 | Not observed | Not observed | No evidence |
| 2026-08-31 | Not observed | Not observed | No evidence |
| 2026-09-01 | Not observed | Not observed | No evidence |
| 2026-09-02 | Not observed | Not observed | No evidence |
| 2026-09-03 | Not observed | Not observed | No evidence |
| 2026-09-04 | Not observed | Not observed | No evidence |
| 2026-09-05 | Not observed | Not observed | No evidence |
| 2026-09-06 | Not observed | Not observed | No evidence |
| 2026-09-07 | Not observed | Not observed | No evidence |
| 2026-09-08 | Not observed | Not observed | No evidence |
| 2026-09-09 | Not observed | Not observed | No evidence |
| 2026-09-10 | Not observed | Not observed | No evidence |
| 2026-09-11 | Not observed | Not observed | No evidence |
| 2026-09-12 | Not observed | Not observed | No evidence |
| 2026-09-13 | Not observed | Not observed | No evidence |
| 2026-09-14 | Not observed | Not observed | No evidence |
| 2026-09-15 | Not observed | Not observed | No evidence |
| 2026-09-16 | Not observed | Not observed | No evidence |
| 2026-09-17 | Not observed | Not observed | No evidence |
| 2026-09-18 | Not observed | Not observed | No evidence |
| 2026-09-19 | Not observed | Not observed | No evidence |
| 2026-09-20 | Not observed | Not observed | No evidence |
| 2026-09-21 | Not observed | Not observed | No evidence |
| 2026-09-22 | Not observed | Not observed | No evidence |
| 2026-09-23 | Not observed | Not observed | No evidence |
| 2026-09-24 | Not observed | Not observed | No evidence |
| 2026-09-25 | Not observed | Not observed | No evidence |
| 2026-09-26 | Not observed | Not observed | No evidence |
| 2026-09-27 | Not observed | Not observed | No evidence |
| 2026-09-28 | Not observed | Not observed | No evidence |
| 2026-09-29 | Not observed | Not observed | No evidence |
These are the earliest and latest successful checks we can prove from our retained polling records. Reconstructing an older price never moves these timestamps backward.
A baseline of these monitoring records was preserved on . The current checks below may be newer.
| Source | First proven live check (UTC) | Latest proven live check (UTC) |
|---|---|---|
| litellm | ||
| anthropic | ||
| models-dev |
A reconstruction from dated sources. The effective date, publication date, and date we added the evidence are recorded separately. Coverage is incomplete; an absent event does not prove nothing changed.
August 10 edit makes $2/$10 permanent and cancels planned September 1 $3/$15 pricing. No numerical price cut occurred on August 10.
USD / 1M tokens: input $2 · output $10
Published 2026-06-30 · Added to our history
API launched at introductory $2/$10. Chart $3/$15 was planned standard pricing, not an observed charged price. Introductory pricing; scheduled September 1 end canceled August 10.
Results depend on reasoning effort, tools, and evaluation setup. Check the original report before comparing scores across models.
| Benchmark | Score | Evaluation setup | Source |
|---|---|---|---|
| SWE-bench Pro | 63.2% | Launch benchmark table; see system card for harness and effort | Provider reportPublished 2026-06-30 |
| Terminal-Bench 2.1 | 80.4% | Launch benchmark table; see system card for harness and effort | Provider reportPublished 2026-06-30 |
| Humanity’s Last Exam | 43.2% | No tools; launch benchmark table | Provider reportPublished 2026-06-30 |
| Humanity’s Last Exam | 57.4% | With tools; launch benchmark table | Provider reportPublished 2026-06-30 |
| OSWorld-Verified | 81.2% | Launch benchmark table; different evaluation from OSWorld 2.0 | Provider reportPublished 2026-06-30 |
Provider-reported, not independently verified by TokenPylon. Scores and settings are quoted from the linked tables; these are not a live leaderboard.
| Benchmark | Recorded score | Source | Date |
|---|---|---|---|
Each source has its own history. We don’t join conflicting sources into a single price trend. Standard input prices exclude cache discounts.
USD / 1M tokens: input $2 · output $10
Published 2026-06-30 · Added to our history
| lmarena-text-elohigh; leaderboard=text_style_control; category=overall; published=2026-09-25claude-sonnet-5-high [leaderboard=text_style_control; category=overall; published=2026-09-25] |
| 1,461.526Elo |
| lmarena |
| 2026-09-25 |
| simple-benchscore=AVG@5Claude Sonnet 5 [score=AVG@5] | 0.606fraction | simple-bench | 2026-09-23 |
| lmarena-text-elohigh; leaderboard=text_style_control; category=overall; published=2026-09-13claude-sonnet-5-high [leaderboard=text_style_control; category=overall; published=2026-09-13] | 1,461.207Elo | lmarena | 2026-09-13 |
| livebench-averagexhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.7604fraction | livebench | 2026-06-25 |
| livebench-reasoningxhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.8869fraction | livebench | 2026-06-25 |
| livebench-ifxhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.6386fraction | livebench | 2026-06-25 |
| livebench-agentic-codingxhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.5939fraction | livebench | 2026-06-25 |
| livebench-mathematicsxhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.9294fraction | livebench | 2026-06-25 |
| livebench-languagexhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.7497fraction | livebench | 2026-06-25 |
| livebench-codingxhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.8068fraction | livebench | 2026-06-25 |
| livebench-data-analysisxhigh-effort; release=2026-06-25; score=mean of task means per categoryclaude-sonnet-5-xhigh-effort [release=2026-06-25; score=mean of task means per category] | 0.7174fraction | livebench | 2026-06-25 |
Recorded scores use the source’s stored scale; percentage accuracies may be fractions from 0 to 1. Evaluation settings are not consistently available in the tracked feed. Provider-self-reported results have not been independently verified by TokenPylon.
Published by the model’s provider; not independent verification by TokenPylon.