Claude 4 Sonnet (Reasoning) API Pricing
Anthropic · released 2025-05-22
Claude 4 Sonnet (Reasoning) price
Pricing not published by Artificial Analysis yet.
Benchmarks
18.9
Intelligence
#149 of 547
#149 of 547
37.6
Coding
#98 of 195
#98 of 195
74.3
Math
#74 of 249
#74 of 249
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Tokens/sec
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Time to first token
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude 4.5 Sonnet (Non-reasoning) | 19.3 | $6.00 |
| Qwen3.5 35B A3B (Reasoning) | 19.3 | $0.688 |
| LongCat 2.0 | 19.1 | $1.30 |
| Claude 4 Sonnet (Reasoning) | 18.9 | — |
| JT-35B-Flash | 18.7 | — |
| Claude 4.1 Opus (Non-reasoning) | 18.6 | $30.00 |
| KAT-Coder-Pro V1 | 18.6 | — |
More from Anthropic
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Opus 5.5 (Max, Default Fallback) | 57.6 | $8.00 |
| Claude Sonnet 5.5 (Max, Default Fallback) | 56.0 | $4.00 |
| Claude Fable 5.1 (Max, Default Fallback) | 53.4 | $20.00 |
| Claude Opus 5 (Max) | 50.8 | $10.00 |
| Claude Fable 5 (Max, Opus 4.8 Fallback) | 49.6 | $20.00 |
| Claude Haiku 5.5 (Max) | 43.4 | $0.20 |
| Claude Opus 4.8 (Max) | 41.8 | $10.00 |
| Claude Opus 4.7 (Max) | 40.7 | $10.00 |
See Claude 4 Sonnet (Reasoning) on the leaderboard
Source: Artificial Analysis · last synced 2026-10-15
FAQ
Who develops Claude 4 Sonnet (Reasoning)?
Claude 4 Sonnet (Reasoning) is developed by Anthropic, released 2025-05-22.
Is Claude 4 Sonnet (Reasoning)'s API pricing published?
No — as of the last data sync (2026-10-15), Artificial Analysis has not published official API pricing for Claude 4 Sonnet (Reasoning). This page updates automatically once pricing is available.
How does Claude 4 Sonnet (Reasoning) rank on benchmarks?
Claude 4 Sonnet (Reasoning) scores 18.9 on the Artificial Analysis Intelligence Index, ranking #149 of 547 models we track.
Where does this data come from?
Pricing and benchmark data for Claude 4 Sonnet (Reasoning) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.