Model specification · Anthropic
Claude Opus 5
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...
SpecificationsReported values
- Context window
- 1M
- Maximum output
- 128K
- Architecture
- text+image+file->text
- Tokenizer
- Claude
- Knowledge cutoff
- —
- Moderated
- Yes
- Input modalities
- textimagefile
- Output modalities
- text
Full pricingUSD where reported
| Price | Standard |
|---|---|
| Input | $5.00 / M |
| Output | $25.00 / M |
Benchmark indexesReported indexes
- Intelligence
- 44.2
- Coding
- 78
- Agentic
- 56.5
- Design Arena Elo
- 1286
Example workload costsStandard pricing only
| Workload | Input / output | Cache share | Estimated cost |
|---|---|---|---|
| Quick check | 10K / 1K × 1 | 0% | $0.075 |
| Long analysis | 100K / 4K × 1 | 50% | $0.375 |
| Workday | 20K / 2K × 1,000 | 30% | $123.00 |
More from AnthropicAll Anthropic models
| Model | Context | Input / M | Output / M | Intel. |
|---|---|---|---|---|
| Claude Fable 5.2 | 1M | $8.00 | $40.00 | 64.6 |
| Claude Opus 5.5 | 1M | $4.00 | $20.00 | 59.1 |
| Claude Sonnet 5.5 | 1M | $2.00 | $10.00 | 54.5 |
| Claude Fable 5.1 | 1M | $10.00 | $50.00 | 50 |
| Claude Haiku 5.5 | 1M | $0.100 | $0.500 | 36.5 |
| Claude Haiku 4.5 | 200K | $1.00 | $5.00 | 7.4 |