Claude Opus 4.7 vs Claude Sonnet 4.6
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
- PriceTie
Neither model publishes per-token API pricing.
- Context windowClaude Opus 4.7
Claude Opus 4.7 accepts 500K tokens vs 200K, 2.5× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesTie
Both handle text, vision.
- OpennessTie
Both are closed-weight, API-only.
On balance Claude Opus 4.7 edges ahead, winning 1 of 5 categories against Claude Sonnet 4.6's 0. Neither model publishes per-token API pricing. Claude Opus 4.7 accepts 500K tokens vs 200K, 2.5× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. Both target the same set of modalities (text, vision), so the deciding factors are price, context, and raw quality. Both are closed-weight, API-only.
Both shipped within roughly a month of each other in 2026, so they share the same generation of training data and tooling. Claude Opus 4.7 is usually picked for coding llm and coding agent workloads, while Claude Sonnet 4.6 sees more deployments in coding llm and code review. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Claude Opus 4.7 | Claude Sonnet 4.6 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Released | Feb 2026 | Jan 2026 |
| Modalities | text, vision | text, vision |
| Context window | 500K tokens | 200K tokens |
| Max output | , | , |
| Input · 1M | Pricing not published | Pricing not published |
| Output · 1M | Pricing not published | Pricing not published |
| Knowledge cutoff | , | , |
| Open weights | No | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day, vs ,
- Heavy usage, 1M in / 500k out per day, vs ,
- RAG workload, 5M in / 200k out per day, vs ,
Light usage, 100k in / 50k out per day: pricing not directly comparable (one or both models are missing public per-token rates). Heavy usage, 1M in / 500k out per day: pricing not directly comparable (one or both models are missing public per-token rates). RAG workload, 5M in / 200k out per day: pricing not directly comparable (one or both models are missing public per-token rates).
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Claude Opus 4.7Pricing unavailable
- Claude Sonnet 4.6Pricing unavailable
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
Claude Opus 4.7 fits when…
- Strongest published SWE-bench Verified scores in agent settings
- Best-in-class writing quality and voice control
- Excellent long-context recall and citation discipline
- Long-context tasks, handles 500K tokens vs 200K for Claude Sonnet 4.6.
Claude Sonnet 4.6 fits when…
- Excellent quality-cost ratio
- Strong for code review and writing
- Reliable tool-use
Consider Claude Haiku 4
Anthropic's smallest 4-tier model, fast and cheap with the family's signature tone.
Frequently asked
Is Claude Opus 4.7 or Claude Sonnet 4.6 cheaper?
Per-token pricing isn't published for at least one of these models, check each model's spec page for current rates.Which has the larger context window?
Claude Opus 4.7 accepts 500K tokens vs 200K for Claude Sonnet 4.6.Is Claude Opus 4.7 or Claude Sonnet 4.6 better for coding?
Both Claude Opus 4.7 and Claude Sonnet 4.6 are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Neither model ships open weights, both are accessible only via their respective providers' APIs.When were Claude Opus 4.7 and Claude Sonnet 4.6 released?
Claude Opus 4.7 was released by Anthropic on 2026-02-15. Claude Sonnet 4.6 was released by Anthropic on 2026-01-20.
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