Claude Sonnet 4.6
Enterprise workloads that need Opus-adjacent quality at Sonnet pricing.
Claude Sonnet 4.6 supersedes Claude Sonnet 4.5, Claude Sonnet 4.
What are Claude Sonnet 4.6's specs and price?
Claude Sonnet 4.6, built by Anthropic, ships a 300K-token context window and a 64K-token max output, released 2026-03. It supports text and vision input with a dedicated reasoning mode and costs $6.00 per million blended tokens, the 29th-cheapest of 32 models we track.
Specs
| Context window | 300K tokens |
| Max output | 64K tokens |
| Modalities | text, vision |
| Extended thinking | Yes |
| Released | 2026-03 |
| Knowledge cutoff | 2025-12 |
| Provider | Anthropic |
Verified 2026-08-08 — source.
Where it ranks
Strengths
- Best intelligence-per-dollar in the Claude lineup
- Fast enough for interactive coding agents
- Reliable structured output
More about Claude Sonnet 4.6
FAQ
What is Claude Sonnet 4.6's context window?
Claude Sonnet 4.6 has a 300K-token context window and a 64K-token max output — the 13th-largest context of the 32 current models we track. Source: https://docs.anthropic.com/en/docs/about-claude/models, verified 2026-08-08.
Does Claude Sonnet 4.6 support vision or audio input?
Yes — Claude Sonnet 4.6 accepts vision input in addition to text.
Does Claude Sonnet 4.6 have a reasoning or extended-thinking mode?
Yes — Claude Sonnet 4.6 exposes a dedicated reasoning mode for multi-step problems.
When was Claude Sonnet 4.6 released, and what is its knowledge cutoff?
Claude Sonnet 4.6 was released 2026-03 with a knowledge cutoff of 2025-12.
How much does Claude Sonnet 4.6 cost, and who provides it?
Claude Sonnet 4.6 is served by Anthropic at $6.00/M blended tokens (3:1 input:output) — the 29th-cheapest of 32 current models. Full pricing breakdown: /llm-api-pricing/claude-sonnet-4-6.