Anthropic
Claude Sonnet 4
Closed SourceProprietary · 1M context window
Quick info
- Provider
- Anthropic
- License
- Proprietary
- Context window
- 1M
- Task type
- text-generation
- LM Arena votes
- 40,301
- Release date
- May 22, 2025
More models from this provider
- claude-fable-51,508
- claude-opus-4-61,503
- claude-opus-4-71,502
- claude-opus-4-81,484
- claude-opus-4-5-20251101-thinking-32k1,473
Description
The mid-tier of the Claude family — strong quality at roughly 5× lower cost than Opus. The default for most production workloads: chatbots, writing assistants, RAG pipelines, day-to-day coding. Best-in-class quality-per-dollar in its tier.
LM Arena benchmarks
| Board | Score |
|---|---|
| Text | 1,389 |
| Vision | 1,188 |
Pricing (per 1M tokens)
- Input price
- $3/1M
- Output price
- $15/1M