Terminal-Bench 4.0
claude-code2.1.231
Reasoning effort max
Tested model identity
Opus 5anthropic/claude-opus-5Pass rate51.82%
95% CI 48.43%–55.21%
n = 330Checked
anthropicListed Jul 24, 2026
Anthropic: Claude Opus 5
Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis...
Context window1M
Max output128K
Provider endpoints14
Benchmark results0
Agent runs1
Measured performance
All leaderboards ↗Benchmark results
No published results in this index yet
Scores appear here when an evaluation matches this exact model.
Model + harness
All agent results ↗Agent runs
claude-code
Access & cost
14 quotesPrices across providers
Your token mix
USD · listed token ratesOpenRouter
Catalog quote- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
- Input
- $5.00
- Output
- $25.00
Experiential
Standard list rate
- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
Catalog list rate. Plan allowances and temporary discounts are separate.
- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
Cache write $6.25/M tokens · 1h cache write $10/M tokens · Web search $0.01/search
- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
Cache write $6.25/M tokens · 1h cache write $10/M tokens · Web search $0.01/search
- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
Cache write $6.25/M tokens · 1h cache write $10/M tokens · Web search $0.01/search
- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
Cache write $6.25/M tokens · 1h cache write $10/M tokens · Web search $0.01/search
- Input
- $5.00
- Output
- $25.00
- Cached input
- $0.50
Cache write $6.25/M tokens · 1h cache write $10/M tokens · Web search $0.01/search
- Input
- $5.50
- Output
- $27.50
- Cached input
- $0.55
Cache write $6.875/M tokens · 1h cache write $11/M tokens · Web search $0.01/search
- Input
- $5.50
- Output
- $27.50
- Cached input
- $0.55
Cache write $6.875/M tokens · 1h cache write $11/M tokens · Web search $0.01/search
- Input
- $5.50
- Output
- $27.50
- Cached input
- $0.55
Cache write $6.875/M tokens · 1h cache write $11/M tokens · Web search $0.01/search
- Input
- $5.50
- Output
- $27.50
- Cached input
- $0.55
Cache write $6.875/M tokens · 1h cache write $11/M tokens · Web search $0.01/search
- Input
- $5.50
- Output
- $27.50
- Cached input
- $0.55
Cache write $6.875/M tokens · 1h cache write $11/M tokens · Web search $0.01/search
- Input
- $10.00
- Output
- $50.00
- Cached input
- $1.00
Cache write $12.5/M tokens · 1h cache write $20/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
- Jul 24, 2026
- First discovered
- Oct 16, 2026
Exact identities
- openrouter
anthropic/claude-opus-5 - deepinfra
anthropic/claude-opus-5 - experiential
claude-opus-5
Sources
Updated Oct 18, 2026
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