Data points: 91
The readout for Claude Sonnet 4.6 and Gemini 2.5 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 5 to 1.
Evidence depth
91 data points
Includes 8 benchmark rows, 2 audit samples, and 9 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 19 high-signal samples across speed, scores, and audit health.
Model compare Claude Sonnet 4.6 vs Gemini 2.5 Proclaude-sonnet-4-6-vs-gemini-2-5-pro | Model A Claude Sonnet 4.6 | Model B Gemini 2.5 Pro |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 5 wins | 1 wins |
| Where it leads | Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests | Average speed |
| Model metadata | Claude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Gemini 2.5 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 | Jun 2025 |
| Modalities | Input TextImageFile Output Text | Input TextImageFileAudiovideo Output Text |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning |
| Parameters | No data | No data |
| Tokenizer | Claude | Gemini |
| Knowledge cutoff | No data | 2025-01-31 |
| OpenRouter ID | anthropic/claude-sonnet-4.6 | google/gemini-2.5-pro |
| References | No data | No data |
Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.
| Metric | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|---|---|---|
| SciCode | 46.9%#16 | 42.8%#32 |
| Input price | $3.00/M#39 | $1.25/M#30 |
| Time to first answer token | 1.28 s#30 | 23.08 s#77 |
| GPQA | 79.9%#58 | 84.4%#36 |
| Output speed | 47.0 tok/s#94 | 132.3 tok/s#36 |
| HLE | 13.2%#58 | 21.1%#37 |
| Output price | $15.00/M#44 | $10.00/M#41 |
| Time to first token | 1.28 s#51 | 23.08 s#97 |
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|---|---|---|
小水管 APIWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 5375100100 | Gemini 2.5 Pro gemini-2.5-pro No audit yet |
PackyAPIWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 81 727280100 | Gemini 2.5 Pro gemini-2.5-pro No audit yet |
Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.
| Provider | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|---|---|---|
UoCode25 tests | Claude Sonnet 4.6 speed / latency 32 tok/s / 6074ms input / output No data | Gemini 2.5 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 2.5 Pro speed / latency N/A / N/A input / output No data |
ModelPool15 tests | Claude Sonnet 4.6 speed / latency 41 tok/s / 3714ms input / output No data | Gemini 2.5 Pro speed / latency 81 tok/s / 21179ms input / output No data |
素墨API15 tests | Claude Sonnet 4.6 anthropic/claude-sonnet-4.6 speed / latency 46 tok/s / 6386ms input / output $0.010/M / $0.010/M | Gemini 2.5 Pro gemini-2.5-pro speed / latency 82 tok/s / 17042ms input / output $0.100/M / $0.100/M |
N1N10 tests | Claude Sonnet 4.6 speed / latency 55 tok/s / 2094ms input / output No data | Gemini 2.5 Pro speed / latency 106 tok/s / 16405ms input / output No data |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0/M / $0/M | Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0/M / $0/M | |
Claude Sonnet 4.6 c/claude-sonnet-4-6 speed / latency No data input / output $0.0004/M / $0.0004/M | Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $2.50/M / $20.00/M | |
Claude Sonnet 4.6 claude-sonnet-4.6 speed / latency No data input / output $0.037/M / $0.188/M | Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M | |
Claude Sonnet 4.6 claude-sonnet-4.6 speed / latency No data input / output $0.037/M / $0.188/M | Gemini 2.5 Pro gemini-2.5-pro speed / latency No data input / output $0.0006/M / $0.0050/M |
This report only uses LMSpeed data for Claude Sonnet 4.6 and Gemini 2.5 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Sonnet 4.6 | Gemini 2.5 Pro |
|---|---|---|
| When to choose each model | Claude Sonnet 4.6 Claude Sonnet 4.6 is stronger when you prioritize Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests. | Gemini 2.5 Pro Gemini 2.5 Pro is stronger when you prioritize Average speed. |
TL;DR: Claude Sonnet 4.6 leads across 91 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Sonnet 4.6 vs Gemini 2.5 Pro 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.