Claude Sonnet 3.7
by AnthropicChatretired 2026-02-19
Claude 3.7 Sonnet is an advanced large language model with improved reasoning, coding, and problem-solving capabilities.
- Context
- 200K tokens
- Max output
- 128,000 tokens
- Released
- 2025-02-19
- Weights
- Closed
anthropic/claude-3-7-sonnet · also seen as anthropic/claude-sonnet-3.7, claude-3-7-sonnet-latest, claude-3-7-sonnet-20250219, anthropic/claude-3-7-sonnet-20250219, +5 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2025-02-19
- Weights
- Closed
- Input
- Text, Image
- Output
- Text
- Context window
- 200,000 max across endpoints
- Max output
- 128,000
- Providers
- 9 + 8 gateways, not counted as providers
- Epoch Capabilities Index
- 141.1 ± 2.2 against price
- Direct price range
- $3.00–$3.30 in · $15.00–$16.50 out per 1M tokens · 5 of 9 providers have a comparable price
More details
- Last updated
- 2025-08-05
- Knowledge cutoff
- 2024-11
- Developer country
- United States of America
- Training compute
- 3.4×10²⁵ FLOP
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer use
- System messages
- Assistant prefill
- Temperature
- Streamingunknown
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $3.00 in / $15 out per 1M tokens at Amazon Bedrock on every data refresh since then.
Tracked from 19 Oct 2026, the earliest refresh this model's headline price can be rebuilt from. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs Claude Sonnet 3.7 |
|---|---|---|---|---|---|
| Claude Sonnet 3.5Anthropic | $5.00 | $3.00 | $15 | 200K | +0% |
| Claude Sonnet 4.6Anthropic | $5.00 | $3.00 | $15 | 1M | +0% |
| Sonar ProPerplexity | $5.00 | $3.00 | $15 | 200K | +0% |
| Sonar Pro SearchPerplexity | $5.00 | $3.00 | $15 | 200K | +0% |
| Grok 3xAI | $5.00 | $3.00 | $15 | 131K | +0% |
| Grok 4xAI | $5.00 | $3.00 | $15 | 262K | +0% |
| MiMo-V2.6-Pro-UltraSpeedXiaomi | $5.08 | $4.35 | $8.70 | 1.05M | +2% |
| Qwen 3.8 Max PrimeAlibaba (Qwen) | $5.33 | $4.00 | $12 | 1M | +7% |
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| Claude Sonnet 5 | 2026-06-29 | 1M | from $2.00 |
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| Claude Fable Latest | 2026-06-09 | 1M | $10 via NanoGPT |