Claude Sonnet 5
Production workloads that need near-Opus quality with better speed and cost.
What are Claude Sonnet 5's specs and price?
Claude Sonnet 5, built by Anthropic, ships a 500K-token context window and a 64K-token max output, released 2026-08. It supports text and vision input with a dedicated reasoning mode and costs $6.00 per million blended tokens, the 29th-cheapest of 34 models we track.
Specs
| Context window | 500K tokens |
| Max output | 64K tokens |
| Modalities | text, vision |
| Extended thinking | Yes |
| Released | 2026-08 |
| Knowledge cutoff | 2026-05 |
| Provider | Anthropic |
Verified 2026-08-08 — source.
Where it ranks
Strengths
- Frontier intelligence at Sonnet economics
- Fast interactive coding performance
- Reliable structured output and extended thinking
More about Claude Sonnet 5
FAQ
What is Claude Sonnet 5's context window?
Claude Sonnet 5 has a 500K-token context window and a 64K-token max output — the 13th-largest context of the 34 current models we track. Source: https://docs.anthropic.com/en/docs/about-claude/models, verified 2026-08-08.
Does Claude Sonnet 5 support vision or audio input?
Yes — Claude Sonnet 5 accepts vision input in addition to text.
Does Claude Sonnet 5 have a reasoning or extended-thinking mode?
Yes — Claude Sonnet 5 exposes a dedicated reasoning mode for multi-step problems.
When was Claude Sonnet 5 released, and what is its knowledge cutoff?
Claude Sonnet 5 was released 2026-08 with a knowledge cutoff of 2026-05.
How much does Claude Sonnet 5 cost, and who provides it?
Claude Sonnet 5 is served by Anthropic at $6.00/M blended tokens (3:1 input:output) — the 29th-cheapest of 34 current models. Full pricing breakdown: /llm-api-pricing/claude-sonnet-5.