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Claude Opus Latest
anthropic·anthropic/claude-opus-latest·GA·Closed·claude-opus series
Flagship Claude model for deep reasoning, coding, and long-horizon agents
At a glance
Reference price$5.00 / $25.00 per 1M
Cache read $0.50 · OpenRouter
Lowest paid$5.00 / $25.00
NanoGPT Gateway · 1× spread
Context1,000,000
Output limit128,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF
Knowledge cutoff—
Released / updated2026-03-29 / 2026-04-21
Quality & performance
Artificial Analysis doesn't cover this model (267 of 2059 have data). Quality data comes from independent evals covering widely used models.
Available at 2 providers2 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| NanoGPT | Gateway | $5.00 | $25.00 | $0.50 | $6.25 | 1,000,000 | 128,000 | |
| OpenRouter | Gateway | $5.00 | $25.00 | $0.50 | $6.25 | 1,000,000 | 128,000 |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1NanoGPT$1,710.00
2OpenRouter$1,710.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = higheffort = xhigheffort = maxToggle (on / off)
Related models
Claude Opus 5same series$5.00 / $25.00Claude Opus 5 (Fast)same series$12.00 / $60.00Claude Opus 5 (EU)same series$5.50 / $27.50GLM-5.2cheaper alternative$1.40 / $4.40DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28GPT-5.4cheaper alternative$2.50 / $15.00
Price historyone sample accumulated per data sync
Input listOutput listMin blended