Data points: 105
The readout for Claude Sonnet 4.6 and Gemini 3.1 Pro, before the detailed comparison sheet.
Decision read
Claude Sonnet 4.6
Claude Sonnet 4.6 currently has the stronger profile, with verified wins split 4 to 2.
Evidence depth
105 data points
Includes 8 benchmark rows, 4 audit samples, and 9 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 21 high-signal samples across speed, scores, and audit health.
Model compare Claude Sonnet 4.6 vs Gemini 3.1 Proclaude-sonnet-4-6-vs-gemini-3-1-pro | Model A Claude Sonnet 4.6 | Model B Gemini 3.1 Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 2 wins |
| Where it leads | First-token latency, Free providers, Provider coverage, Recent tests |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Sonnet 4.6 | Gemini 3.1 Pro |
|---|---|---|
| GPQA | 79.9%#58 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | Gemini 3.1 Pro |
|---|---|---|
Winner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 59 |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Sonnet 4.6 | Gemini 3.1 Pro |
|---|---|---|
25 tests | Claude Sonnet 4.6 speed / latency 32 tok/s / 6074ms input / output No data |
This report only uses LMSpeed data for Claude Sonnet 4.6 and Gemini 3.1 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Sonnet 4.6 | Gemini 3.1 Pro |
|---|---|---|
| When to choose each model | Claude Sonnet 4.6 Claude Sonnet 4.6 is stronger when you prioritize First-token latency, Free providers, Provider coverage, Recent tests. | Gemini 3.1 Pro Gemini 3.1 Pro is stronger when you prioritize Cheapest input price, Average speed. |
TL;DR: Claude Sonnet 4.6 leads across 105 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Sonnet 4.6 vs Gemini 3.1 Pro into nearby model comparisons with enough verified LMSpeed data.
| Cheapest input price, Average speed |
| Model metadata | Claude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Gemini 3.1 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input. |
|---|---|---|
| Developer | Anthropic | |
| Context window | 1M tokens | 1.0M tokens |
| Max output | 128K tokens | 65.5K tokens |
| Released | Feb 2026 | Feb 2026 |
| Modalities | Input TextImageFile Output Text | Input AudioFileImageTextvideo Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputs |
| Parameters | No data | No data |
| Tokenizer | Claude | Gemini |
| Knowledge cutoff | No data | No data |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | google/gemini-3.1-pro-preview |
| References | No data | No data |
| SciCode | 46.9%#16 | 58.9%#2 |
|---|
| HLE | 13.2%#58 | 44.7%#3 |
|---|
| Time to first answer token | 1.28 s#30 | 28.68 s#84 |
|---|
| Output speed | 47.0 tok/s#94 | 133.4 tok/s#35 |
|---|
| Input price | $3.00/M#39 | $2.00/M#36 |
|---|
| Output price | $15.00/M#44 | $12.00/M#42 |
|---|
| Time to first token | 1.28 s#51 | 28.68 s#98 |
|---|
Gemini 3.1 Pro gemini-3.1-pro No audit yet |
VSLLMWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 727580100 | Gemini 3.1 Pro gemini-3.1-pro-preview Audit score 79 698463100 |
|---|
小水管 APIWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 5375100100 | Gemini 3.1 Pro gemini-3.1-pro-preview No audit yet |
|---|
PackyAPIWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 81 727280100 | Gemini 3.1 Pro gemini-3.1-pro-preview No audit yet |
|---|
Gemini 3.1 Pro
speed / latency
N/A / N/A
input / output
No data
天宫造物25 tests | Claude Sonnet 4.6 speed / latency 40 tok/s / 3145ms input / output No data | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data |
|---|
小水管 API15 tests | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency 31 tok/s / 4124ms input / output $0/M / $0/M | Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency 113 tok/s / 15704ms input / output $0/M / $0/M |
|---|
ModelPool10 tests | Claude Sonnet 4.6 speed / latency 41 tok/s / 3714ms input / output No data | Gemini 3.1 Pro speed / latency N/A / N/A input / output No data |
|---|
Tokeness10 tests | Claude Sonnet 4.6 speed / latency 47 tok/s / 1591ms input / output No data | Gemini 3.1 Pro speed / latency 98 tok/s / 12325ms input / output No data |
|---|
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.205/M / $0.205/M | Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.0001/M / $0.0001/M |
Claude Sonnet 4.6 c/claude-sonnet-4-6 speed / latency No data input / output $0.0004/M / $0.0004/M | Gemini 3.1 Pro gemini-3-1-pro-low speed / latency No data input / output $10.00/M / $10.00/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.411/M / $2.05/M | Gemini 3.1 Pro gemini-3.1-pro-preview speed / latency No data input / output $0.0041/M / $0.0041/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.020/M / $0.020/M | Gemini 3.1 Pro gemini-3.1-pro-low speed / latency No data input / output $0.010/M / $0.010/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.
