Model specification · Anthropic
Claude Opus 4.8
anthropic/claude-opus-4.8
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...
SpecificationsReported values
- Context window
- 1M
- Maximum output
- 128K
- Architecture
- text+image+file->text
- Tokenizer
- Claude
- Knowledge cutoff
- —
- Moderated
- Yes
- Input modalities
- text image file
- Output modalities
- text
Full pricingUSD where reported
| Price | Standard |
|---|---|
| Input | $5.00 / M |
| Output | $25.00 / M |
Benchmark indexesReported indexes
- Intelligence
- 55.7
- Coding
- 74.3
- Agentic
- 47.2
- Design Arena Elo
- 1274
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 Opus 5 | 1M | $5.00 | $25.00 | 60.7 |
| Claude Fable 5 | 1M | $10.00 | $50.00 | 59.9 |
| Claude Opus 4.7 | 1M | $5.00 | $25.00 | 53.5 |
| Claude Sonnet 5 | 1M | $2.00 | $10.00 | 53.4 |
| Claude Sonnet 4.6 | 1M | $3.00 | $15.00 | 47.2 |
| Claude Sonnet 4.5 | 1M | $3.00 | $15.00 | 36.4 |
| Claude Haiku 4.5 | 200K | $1.00 | $5.00 | 29.6 |
| Claude Sonnet 4 | 1M | $3.00 | $15.00 | 28.9 |