🇺🇸 United States—Released February 2026
Claude Opus 4.6
Anthropic
Verdict
A versatile model, balanced across most use cases.
Overview
Claude Opus 4.6, released February 4 2026, sits in the Opus line at $5/$25 per million tokens with a 1M context window. GPQA score of 84.0. It has since been superseded by Opus 4.7, 4.8 and Opus 5, but remains available via the API and serves as a useful intermediate reference point in the line's rapid progression between February and July 2026.
Skill profile
Arena Elo1505
Not disclosed
Strengths
- World-class on Arena
- Very long context
Limitations
- High output cost
- No native GDPR guarantee
Who is it for
A good fit if…
Skip it if…
- your budget is tight
- you handle sensitive EU data
Access & availability
Paid API per token
Key specifications
Context
1M
Input price
$5.00 $/M
Output price
$25.00 $/M
Speed
—
Price not auditedBenchmarks not audited
Estimate your monthly cost
Per-token API pricing$327/ month with Claude Opus 4.6
For the same usage
- GPT-5.6 Luna$73-78%
- GPT-5.6 Terra$181-45%
- Claude Sonnet 5$196-40%
Indicative estimate based on standard API rates (excluding caching, batch and volume discounts). Always check the official pricing before committing.
Privacy
Not GDPR-compliant
Advanced data · for expertsArchitecture, modalities, detailed cost, full benchmarks▾
Advanced data · for experts
Architecture, modalities, detailed cost, full benchmarks
Architecture
—
Size
—
Cutoff date
—
Inputs
—
Outputs
—
License
commercial
Hosting
—
Hallucination score
—
Estimated cost (API)
Typical exchange (~3k in / 1k out)
≈ $0.0400
1M in + 1M out
≈ $30.00
All benchmarks
| Arena Elo | 1505 |
| MMLU | — |
| GPQA | — |
| HumanEval | — |
| SWE-Bench | — |
| MATH | — |