Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Cost / 1M tokens
High usage$2.00
input
$0.20
cached input
$12.00
output
Context Window
1M
Up to 66K max output
Modalities
audio, file, image, text, video → text
Gemini tokenizer
Quickstart & API
google/gemini-3.1-pro-previewBest for & Strengths
Key Strengths
Recommended Workloads in ChatOSS
- Coding agents
- Complex reasoning & debugging
- Screenshot-to-code workflows
Verified Evaluations
Benchmarks & Frontier Comparison
How Gemini 3.1 Pro Preview compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.
| Benchmark (Metric) | Gemini 3.1 Pro Preview | DeepSeek V4.1 Flash | GLM 5.3 | Kimi K3.1 Pro | Claude Opus 5.5 |
|---|---|---|---|---|---|
| Agentic & Software Engineering | |||||
| ChatOSS Agentic Coding Index (%) | — | 63.2% | 58.3% | 65% | 74.1% |
| SWE-Bench Verified (%) | — | 91.5% | 95.4% | 94.8% | 97% |
| DeepSWE v1.1 (Pass@1 %) | — | 77% | 69% | 73.5% | 74.2% |
| Vibe Code Bench v1.1 (%) | — | 87.7% | 78.1% | 88.4% | 90.3% |
| Terminal-Bench 4.0 (%) | — | 42.3% | 42% | 46.2% | 65.2% |
| Code Migration (%) | — | 45.6% | 44.2% | 52% | 66.7% |
| Intelligence & Token Economics | |||||
| Artificial Analysis Intelligence Index (0–100) | 29.7 | 39.5 | 44.8 | 55.1 | 57.6 |
| Input Price (/ 1M tokens) | $2.00 | $0.15 | $1.40 | $2.00 | $4.00 |
| Output Price (/ 1M tokens) | $12.00 | $0.60 | $4.40 | $10.00 | $20.00 |
Artificial Analysis Intelligence Index
Artificial Analysis
Design Arena: AGENTICGAMEDEV
Design Arena · Rank #22 (44.1% win)
Design Arena: AGENTICHTMLSLIDES
Design Arena · Rank #4 (55.8% win)
Design Arena: AGENTICSLIDES
Design Arena · Rank #7 (33.8% win)
Design Arena: AGENTICSLIDES(HTML)
Design Arena · Rank #4 (54.4% win)
Active Provider Endpoints (6)
Upstream inference providers serving Gemini 3.1 Pro Preview, with per-provider pricing, context limits, quantization, and 24-hour uptime.
| Provider | Input / 1M | Output / 1M | Cache Read / 1M | Context | Max Output | Quantization | Uptime (24h) |
|---|---|---|---|---|---|---|---|
Google google-vertex/global/flex | $1.00 | $6.00 | $0.10 | 1M | 66K | — | 5.9% |
Google AI Studio google-ai-studio/flex | $1.00 | $6.00 | $0.10 | 1M | 66K | — | 100.0% |
Google google-vertex/global | $2.00 | $12.00 | $0.20 | 1M | 66K | — | 99.9% |
Google AI Studio google-ai-studio | $2.00 | $12.00 | $0.20 | 1M | 66K | — | 100.0% |
Google google-vertex/global/priority | $3.60 | $21.60 | $0.36 | 1M | 66K | — | 100.0% |
Google AI Studio google-ai-studio/priority | $3.60 | $21.60 | $0.36 | 1M | 66K | — | 100.0% |
Supported API Parameters
Parameters accepted by this model when called through ChatOSS or OpenRouter.
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