Claude Opus 4.6vsOpus 4.1
Across 6 shared benchmarks, Claude Opus 4.6 leads overall: Claude Opus 4.6 wins 6, Opus 4.1 wins 0, with 0 ties and an average score difference of +21.82.
Claude Opus 4.6
Anthropic · 2026-02-05 · Reasoning model
Opus 4.1
Anthropic · 2025-08-06 · Reasoning model
Claude Opus 4.66 wins(100%)(0%)0 winsOpus 4.1
Benchmark scores
Grouped by capability, sorted by largest gap within each. 6 shared benchmarks.
Math and Reasoning
Claude Opus 4.6 3/3| Benchmark | Claude Opus 4.6 | Opus 4.1 | Diff |
|---|---|---|---|
| FrontierMath | 40.707 / 60最高（无工具） | 5.9035 / 60Normal (No Tools) | +34.80 |
| AIME2025 | 99.797 / 106Extended (no tools) | 7860 / 106Extended (no tools) | +21.79 |
| FrontierMath - Tier 4 | 22.9012 / 80最高（无工具） | 4.2040 / 80Thinking (No Tools, 32K Budget) | +18.70 |
Coding and Software Engineer
Claude Opus 4.6 1/1| Benchmark | Claude Opus 4.6 | Opus 4.1 | Diff |
|---|---|---|---|
| SWE-bench Verified | 80.849 / 108Extended (with tools) | 74.5036 / 108Extended (with tools) | +6.34 |
General Knowledge
Claude Opus 4.6 1/1| Benchmark | Claude Opus 4.6 | Opus 4.1 | Diff |
|---|---|---|---|
| GPQA Diamond | 91.3114 / 178Extended (no tools) | 8169 / 178Extended (no tools) | +10.31 |
Instruction Following
Claude Opus 4.6 1/1| Benchmark | Claude Opus 4.6 | Opus 4.1 | Diff |
|---|---|---|---|
| IF Bench | 941 / 29Extended (no tools) | 5522 / 29Extended (with tools) | +39 |
Specs
| Field | Claude Opus 4.6 | Opus 4.1 |
|---|---|---|
| Publisher | Anthropic | Anthropic |
| Release date | 2026-02-05 | 2025-08-06 |
| Model type | Reasoning model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 1000K | 200K |
| Max output | 64K | 32K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Claude Opus 4.6 | Opus 4.1 |
|---|---|---|
| Text input | $0.5 / 1M tokens | $15 / 1M tokens |
| Text output | $25 / 1M tokens | $75 / 1M tokens |
| Cache read | $0.5 / 1M tokens | $1.5 / 1M tokens |
| Cache write | $10 / 1M tokens | $18.75 / 1M tokens |
Summary
- Claude Opus 4.6leads in:Math and Reasoning (3/3), Coding and Software Engineer (1/1), General Knowledge (1/1), Instruction Following (1/1)
On average across the 6 shared benchmarks, Claude Opus 4.6 scores 21.82 higher.
Largest single-benchmark gap: IF Bench — Claude Opus 4.6 94 vs Opus 4.1 55 (+39).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.