OpenRouter
Catalog quote- Input
- $2.50
- Output
- $12.50
- Cached input
- $0.25
anthropicListed May 27, 2026
Anthropic: Claude Opus 4.8 (batch)
Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...
Context window1M
Max output128K
Provider endpoints2
Benchmark results0
Measured performance
All leaderboards ↗Benchmark results
No published results in this index yet
Scores appear here when an evaluation matches this exact model.
Access & cost
2 quotesPrices across providers
- Input
- $2.50
- Output
- $12.50
- Cached input
- $0.25
Cache write $3.125/M tokens · 1h cache write $5/M tokens · Web search $0.01/search
Model specifications
- Developer
- anthropic
- Modality
- Language
- Context
- 1,000,000 tokens
- Maximum output
- 128,000 tokens
- Weights
- Not reported
- Provider listed
- May 27, 2026
- First discovered
- Oct 16, 2026
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1M contextImage inputTool callingNo reported score
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anthropicReleased 19 days ago
Anthropic: Claude Sonnet 5.5
Tuned for quick iteration on scoped fixes and documents; Anthropic favors Opus 5.5 for open-ended work needing sustained judgment.
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