Claude Sonnet 5 vs Claude Sonnet 4.6
How Claude Sonnet 5 (Anthropic) and Claude Sonnet 4.6 (Anthropic) compare on price, context window and best-fit use case.
In short: Claude Sonnet 5 is best for Running AI agents affordably, multi-step automation, coding assistants and high-scale chat where you want near-flagship quality at lower cost, while Claude Sonnet 4.6 suits Everyday coding, agents, and production apps wanting Claude quality without flagship pricing. On price it's $2.00 vs $3.00 per 1M input tokens; on context, 1M tokens (verify — not yet published for Sonnet 5) vs 1M tokens.
| Spec | Claude Sonnet 5 | Claude Sonnet 4.6 |
|---|---|---|
| Developer | Anthropic | Anthropic |
| Context window | 1M tokens (verify — not yet published for Sonnet 5) | 1M tokens |
| Input price /1M | $2.00 | $3.00 |
| Output price /1M | $10.00 | $15.00 |
| Modalities | text, image | text, image |
| Best for | Running AI agents affordably, multi-step automation, coding assistants and high-scale chat where you want near-flagship quality at lower cost. | Everyday coding, agents, and production apps wanting Claude quality without flagship pricing. |
Claude Sonnet 5
- Highly agentic (planning + autonomous tool/browser/terminal use)
- Strong agentic coding
- Near-Opus-4.8 quality at much lower cost
- Great for high-scale agents and chatbots
Claude Sonnet 4.6
- Strong coding at lower cost than Opus
- 1M context window
- Fast and reliable
- Excellent for agentic tooling