Anthropic: Claude Opus 4.6 (Fast)
Review
Claude Opus 4.6 (Fast) is a variant of Anthropic's flagship model optimised for speed, but it carries no independent benchmark data and is priced at a premium ($30/$150 per million tokens); businesses should evaluate the standard Claude Opus 4.6 for verified performance, or await benchmarks for this variant before committing.
Assessment date: April 16, 2026
Our methodology takes into account a range of factors including pricing, functionality, capabilities, benchmark performance, and real-world applicability. Rankings are reviewed and updated regularly as new models are released. Issues with our rankings? Contact us
Performance Profile
Fast-mode variant of Opus 4.6 - identical capabilities with higher output speed at premium 6x pricing. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Capabilities
Architecture
| Modality | Text + Image → Text |
| Tokenizer | Claude |
How does Anthropic: Claude Opus 4.6 (Fast) stack up?
Compare side-by-side with other emerging models.
Model Information
| OpenRouter ID |
anthropic/claude-opus-4.6-fast
|
| Provider | anthropic |
| Release Date | April 7, 2026 |
| Context Length | 1,000,000 tokens |
| Max Completion | 128,000 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $30.00 | $0.030000 |
| Output | $150.00 | $0.150000 |
Live Performance
Live endpoint metrics — refreshed every 30 minutes.
