Data points: 115
The readout for Claude Opus 4.6 and Claude Sonnet 4.6, before the detailed comparison sheet.
Decision read
Tie
Tie currently has the stronger profile, with verified wins split 3 to 3.
Evidence depth
115 data points
Includes 8 benchmark rows, 6 audit samples, and 9 provider examples.
Selection signal
Tie
The charts below split 23 high-signal samples across speed, scores, and audit health.
Model compare Claude Opus 4.6 vs Claude Sonnet 4.6claude-opus-4-6-vs-claude-sonnet-4-6 | Model A Claude Opus 4.6 | Model B Claude Sonnet 4.6 |
|---|---|---|
| Overall leader | Tie | Tie |
| Verified metric wins | 3 wins | 3 wins |
| Where it leads | Average speed, Provider coverage, Recent tests | Cheapest input price, First-token latency, Free providers |
| Model metadata | Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Claude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. |
| Developer | Anthropic | Anthropic |
| Context window | 1M tokens | 1M tokens |
| Max output | 128K tokens | 128K tokens |
| Released | Apr 2026 | Feb 2026 |
| Modalities | Input TextImageFile Output Text | Input TextImageFile Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Claude | Claude |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-opus-4.6-fast | anthropic/claude-sonnet-4.6 |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
| SciCode | 45.7%#20 | 46.9%#16 |
| Time to first answer token | 1.44 s#34 | 1.28 s#30 |
| GPQA | 84.0%#38 | 79.9%#58 |
| Input price | $5.00/M#41 | $3.00/M#39 |
| HLE | 18.6%#43 | 13.2%#58 |
| Output price | $25.00/M#47 | $15.00/M#44 |
| Time to first token | 1.44 s#57 | 1.28 s#51 |
| Blended price | $10.00/M#68 | $6.00/M#65 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
BUZZWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 97 10010010088 | Claude Sonnet 4.6 claude-sonnet-4-6 No audit yet |
VSLLMWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 94 76100100100 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 727580100 |
FucheersWinner: Claude Sonnet 4.6 | Claude Opus 4.6 claude-opus-4-6 No audit yet | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 91 64100100100 |
Cuz AIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 89 56100100100 | Claude Sonnet 4.6 claude-sonnet-4-6 No audit yet |
Yuan APIWinner: Claude Opus 4.6 | Claude Opus 4.6 claude-opus-4-6 Audit score 89 56100100100 | Claude Sonnet 4.6 claude-sonnet-4-6 No audit yet |
ApiToken OnlineWinner: Claude Sonnet 4.6 | Claude Opus 4.6 claude-opus-4-6 No audit yet | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 84 6968100100 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
UoCode30 tests | Claude Opus 4.6 speed / latency 38 tok/s / 2611ms input / output No data | Claude Sonnet 4.6 speed / latency 32 tok/s / 6074ms input / output No data |
OptAI25 tests | Claude Opus 4.6 speed / latency 43 tok/s / 2542ms input / output No data | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data |
天宫造物25 tests | Claude Opus 4.6 speed / latency N/A / N/A input / output No data | Claude Sonnet 4.6 speed / latency 40 tok/s / 3145ms input / output No data |
巨量API22 tests | Claude Opus 4.6 speed / latency 24 tok/s / 7946ms input / output No data | Claude Sonnet 4.6 speed / latency 39 tok/s / 5723ms input / output No data |
Kunkunout API20 tests | Claude Opus 4.6 speed / latency 40 tok/s / 16141ms input / output No data | Claude Sonnet 4.6 speed / latency N/A / N/A input / output No data |
Claude Opus 4.6 claude-opus-4.6 speed / latency No data input / output $0/M / $0/M | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $3.00/M / $15.00/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/M / $0/M | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/M / $0/M | |
Claude Opus 4.6 claude-opus-4-6 speed / latency No data input / output $0/M / $0/M | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/M / $0/M | |
Claude Opus 4.6 claude-opus-4-6-high speed / latency No data input / output $0.0014/M / $0.0068/M | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.0008/M / $0.0041/M |
This report only uses LMSpeed data for Claude Opus 4.6 and Claude Sonnet 4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Opus 4.6 | Claude Sonnet 4.6 |
|---|---|---|
| When to choose each model | Claude Opus 4.6 Claude Opus 4.6 is stronger when you prioritize Average speed, Provider coverage, Recent tests. | Claude Sonnet 4.6 Claude Sonnet 4.6 is stronger when you prioritize Cheapest input price, First-token latency, Free providers. |
TL;DR: Tie leads across 115 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Opus 4.6 vs Claude Sonnet 4.6 into nearby model comparisons with enough verified LMSpeed data.
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
