Anthropic
Claude Sonnet 4
Balanced Claude model for coding, analysis, agent workflows, and cost control
Model facts
- Context window
- 2K tokens
- Maximum output
- 64K tokens
- Cheapest paid input
- $2.6 per 1M tokens
- Cheapest paid output
- $13 per 1M tokens
- Open weights
- no
- Providers
- 18
Capabilities and modalities
reasoning, tool calling, structured output, attachments, temperature control, text, image, pdf.
Artificial Analysis benchmarks
Compare this model on the full LLM benchmark leaderboard.
| Configuration | AAI | Coding | Math | Output tokens/s |
|---|---|---|---|---|
| Reasoning | 29.8 | 37.6 | 74.3 | not measured |
| Non-reasoning | 26.0 | not measured | 38.0 | not measured |
Observed price history
- 2026-08-24: $2.6 input / $13 output per 1M tokens
API providers
- Poe — model id anthropic/claude-sonnet-4; $2.6 input / $13 output per 1M tokens; provider documentation
- Cortecs (latest) — model id claude-sonnet-4; $2.9 input / $14.49 output per 1M tokens; provider documentation
- Abacus — model id claude-sonnet-4-20250514; $3 input / $15 output per 1M tokens; provider documentation
- DigitalOcean — model id anthropic-claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- FastRouter — model id anthropic/claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- GitHub Copilot (latest) — model id claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- Helicone (Anthropic) — model id claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- Kilo Gateway (Anthropic) — model id anthropic/claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- Merge Gateway — model id anthropic/claude-sonnet-4-20250514; $3 input / $15 output per 1M tokens; provider documentation
- NanoGPT — model id claude-sonnet-4-20250514; $3 input / $15 output per 1M tokens; provider documentation
- OpenCode Zen — model id claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- OpenRouter — model id anthropic/claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- Requesty (latest) (EU) — model id claude-sonnet-4@eu; $3 input / $15 output per 1M tokens; provider documentation
- SAP AI Core — model id anthropic--claude-4-sonnet; $3 input / $15 output per 1M tokens; provider documentation
- Vercel AI Gateway — model id anthropic/claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation
- Vertex — model id claude-sonnet-4@20250514; $3 input / $15 output per 1M tokens; provider documentation
- Vertex (Anthropic) — model id claude-sonnet-4@20250514; $3 input / $15 output per 1M tokens; provider documentation
- ZenMux — model id anthropic/claude-sonnet-4; $3 input / $15 output per 1M tokens; provider documentation