Claude Opus 4.7 vs Claude Sonnet 4.6
Pricing, benchmarks, and use case comparison
Quick take
- •Claude Opus 4.7 leads on 1 of 1 shared benchmarks, including SWE-bench Verified (87.6% vs 79.6%).
- •Claude Opus 4.7 is meaningfully stronger at math (90 vs 80 on our capability index).
- •Claude Sonnet 4.6 is meaningfully stronger at speed (83 vs 68).
- •Claude Sonnet 4.6 is 40% cheaper on input tokens, which compounds fast on high-volume or agentic workloads.
Specs comparison
| Claude Opus 4.7 | Claude Sonnet 4.6 | |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Type | Closed source | Closed source |
| Context window | 1M | 1M |
| Input / 1M tokens | $5.00 | ✓$3.00 |
| Output / 1M tokens | $25.00 | $15.00 |
| Release date | 2026-04 | 2026-02 |
Benchmarks
| Benchmark | Claude Opus 4.7 | Claude Sonnet 4.6 |
|---|---|---|
| SWE-bench Verified | ✓87.6% | 79.6% |
| SWE-bench Pro | 64.3% | - |
| Terminal-Bench 2.0 | - | 59.1% |
| OSWorld-Verified | - | 72.5% |
| GPQA | - | 79.7% |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose Claude Opus 4.7 if...
- →You have a pipeline pinned to Opus 4.7 and need stability
- →Your workload is vision-heavy and benefits from higher-resolution image input
- →You need top-tier coding with 1M context but haven't migrated to 4.8 yet
- →You want documented, broadly available Opus-class behavior
Choose Claude Sonnet 4.6 if...
- →You have an existing integration pinned to Sonnet 4.6 and want stability
- →You need a proven mid-tier model with 1M context at $3/$15
- →You want predictable behavior without the new-tokenizer/thinking changes in Sonnet 5
- →You are cost-sensitive and don't need Sonnet 5's incremental gains