Data points: 82
The readout for Claude Sonnet 4.6 and Gemini 3.1 Flash Image, 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 0.
Evidence depth
82 data points
Includes 0 benchmark rows, 4 audit samples, and 8 provider examples.
Selection signal
Start with Claude Sonnet 4.6
The charts below split 12 high-signal samples across speed, scores, and audit health.
Model compare Claude Sonnet 4.6 vs Gemini 3.1 Flash Imageclaude-sonnet-4-6-vs-gemini-3-1-flash-image | Model A Claude Sonnet 4.6 | Model B Gemini 3.1 Flash Image |
|---|---|---|
| Overall leader | Leading | Contender |
| Verified metric wins | 4 wins | 0 wins |
| Where it leads | Cheapest input price, 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 Flash Image |
|---|---|---|
| No shared benchmark metrics are available yet. | ||
Latest completed audits from shared providers, with four safety and integrity score groups plus report links.
| Provider | Claude Sonnet 4.6 | Gemini 3.1 Flash Image |
|---|---|---|
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 Flash Image |
|---|---|---|
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 Flash Image: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.
| Guidance | Claude Sonnet 4.6 | Gemini 3.1 Flash Image |
|---|---|---|
| When to choose each model | Claude Sonnet 4.6 Claude Sonnet 4.6 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests. | Gemini 3.1 Flash Image Gemini 3.1 Flash Image does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing. |
TL;DR: Claude Sonnet 4.6 leads across 82 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.
Continue from Claude Sonnet 4.6 vs Gemini 3.1 Flash Image into nearby model comparisons with enough verified LMSpeed data.
| No data |
| Model metadata | Claude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output. | Gemini 3.1 Flash Image exposes 131.1K tokens; notable signals: Text input, Image input, Text output, Image output. |
|---|---|---|
| Developer | Anthropic | |
| Context window | 1M tokens | 131.1K tokens |
| Max output | 128K tokens | 65.5K tokens |
| Released | Feb 2026 | Feb 2026 |
| Modalities | Input TextImageFile Output Text | Input ImageText Output ImageText |
| Features | Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning | Text inputImage inputText outputImage outputStructured outputsJSON modeReasoning |
| 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-flash-image-preview |
| References | No data | No data |
Gemini 3.1 Flash Image gemini-3.1-flash-image No audit yet |
VSLLMWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 727580100 | Gemini 3.1 Flash Image gemini-3.1-flash-image-preview No audit yet |
|---|
小水管 APIWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 82 5375100100 | Gemini 3.1 Flash Image gemini-3.1-flash-image No audit yet |
|---|
PackyAPIWinner: Claude Sonnet 4.6 | Claude Sonnet 4.6 claude-sonnet-4-6 Audit score 81 727280100 | Gemini 3.1 Flash Image gemini-3.1-flash-image-preview No audit yet |
|---|
Gemini 3.1 Flash Image
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 Flash Image speed / latency N/A / N/A input / output No data |
|---|
ModelPool10 tests | Claude Sonnet 4.6 speed / latency 41 tok/s / 3714ms input / output No data | Gemini 3.1 Flash Image speed / latency N/A / N/A input / output No data |
|---|
小水管 API10 tests | Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency 31 tok/s / 4124ms input / output $0/M / $0/M | Gemini 3.1 Flash Image gemini-3.1-flash-image speed / latency N/A / N/A input / output $2.86/M / $2.86/M |
|---|
素墨API10 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 3.1 Flash Image gemini-3.1-flash-image speed / latency N/A / N/A input / output $0.100/M / $0.100/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 Flash Image gemini-3.1-flash-image-preview speed / latency No data input / output $0.150/M / $0.150/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.429/M / $2.14/M | Gemini 3.1 Flash Image gemini-3.1-flash-image-preview speed / latency No data input / output $0.0096/M / $0.0096/M |
Claude Sonnet 4.6 claude-sonnet-4-6 speed / latency No data input / output $0.411/M / $2.05/M | Gemini 3.1 Flash Image gemini-3.1-flash-image-preview speed / latency No data input / output $0.011/M / $0.011/M |
Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.