Claude Sonnet 4.6 API Pricing
Anthropic · released 2026-02-17
Also searched as: Sonnet 4.6 pricing
Claude Sonnet 4.6 price
0.300¢ / 1K
1.50¢ / 1K
0.600¢ / 1K
Official list price from Anthropic, as recorded by models.dev
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.6¢ |
| RAG query | 4,000 in / 500 out | $0.0195 |
| Long document summary | 50,000 in / 1,000 out | $0.1650 |
| Code review of a 2k-line file | 30,000 in / 2,000 out | $0.1200 |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $180.00 |
Cost = (input tokens ÷ 1,000,000 × $3.00) + (output tokens ÷ 1,000,000 × $15.00).
Benchmarks
| Benchmark | Value | Source | As of |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 152.9 | epoch | 2026-02-17 |
| Epoch Mock AIME accuracy | 82.2% | epoch | 2026-02-17 |
| Epoch FrontierMath (T1–3) accuracy | No public data yet | ||
| Arena text rating | 1472 | arena | 2026-10-28 |
| Arena coding rating (human preference votes, not task accuracy) | 1528 | arena | 2026-10-28 |
| Arena math rating | 1462 | arena | 2026-10-28 |
| Arena WebDev rating | 1523 | arena | 2026-10-28 |
Similar ECI, lower price
| Model | ECI | Blended $/1M |
|---|---|---|
| GLM-5.3-Flash | 153.6 | $0.1942 |
| GPT-6 Luna | 156.7 | $0.20 |
| GPT-5.6 Luna | 156.8 | $0.45 |
| DeepSeek V4 Pro 0813 | 155.9 | $0.99 |
| Mistral Large 4 | 154.7 | $1.05 |
More from Anthropic
| Model | Released | Blended $/1M |
|---|---|---|
| Claude Haiku 5.5 | 2026-10-07 | $0.20 |
| Claude Sonnet 5.5 | 2026-09-28 | $4.00 |
| Claude Opus 5.5 | 2026-09-22 | $8.00 |
| Claude Mythos 5.1 | 2026-09-01 | $20.00 |
| Claude Fable 5.1 | 2026-09-01 | $20.00 |
| Claude Opus 5 | 2026-07-24 | $10.00 |
| Claude Sonnet 5 | 2026-06-30 | $4.00 |
| Claude Mythos 5 | 2026-06-09 | $20.00 |
Count tokens & estimate cost for Claude Sonnet 4.6 See Claude Sonnet 4.6 on the leaderboard
Prices: Anthropic's official list price as recorded by models.dev; benchmarks: see sources below; last synced 2026-11-06.
FAQ
Who develops Claude Sonnet 4.6?
Claude Sonnet 4.6 is developed by Anthropic, released 2026-02-17.
How much does Claude Sonnet 4.6 cost per million tokens?
Claude Sonnet 4.6 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens ($6.00 blended), per Anthropic's official list price as recorded by models.dev.
What is the Claude Sonnet 4.6 API price?
The Claude Sonnet 4.6 API price is $3.00 per 1M input tokens and $15.00 per 1M output tokens ($6.00 per 1M blended).
How much does Claude Sonnet 4.6 cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.6¢ on Claude Sonnet 4.6, at $3.00/1M input and $15.00/1M output.
Is Claude Sonnet 4.6 free?
Claude Sonnet 4.6's official API list price is $3.00 per 1M input tokens and $15.00 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Anthropic's site for those.
How does Claude Sonnet 4.6 rank on benchmarks?
Claude Sonnet 4.6 scores 152.9 on the Epoch Capabilities Index (ECI), ranking #49 of 107 models we track with a published ECI score.
Is there a cheaper model with a similar ECI to Claude Sonnet 4.6?
Yes — GLM-5.3-Flash scores a similar ECI (153.6) at $0.1942/1M blended, versus $6.00/1M for Claude Sonnet 4.6.
Where does this data come from?
Pricing for Claude Sonnet 4.6 comes from models.dev and LiteLLM (open MIT-licensed catalogs); benchmark scores come from Epoch AI and LMArena (open CC BY 4.0 licenses) — see /data-sources/. Last synced 2026-11-06.