Google · Released Feb 19, 2026
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…
- Top 7%SimpleQA Verified
- Top 7%SimpleBench
- Top 8%Terminal-Bench
- Top 9%GPQA Diamond
- Released
- Feb 19 2026
- Context window
- 1M 66K out
- Input / 1M tokens
- $2.00 from $1.00
- Output / 1M tokens
- $12.00 from $6.00
Where to run it
2 providers compared
Cheapest: Google AI Studio, Google at $1.00 / $6.00 per 1M input / output tokens — 72% less than the priciest option.
| Provider | Input | Output | Cache read | Context | Max output | Uptime | vs. best |
|---|---|---|---|---|---|---|---|
| Google AI Studio | $1.00 | $6.00 | $0.10 | 1M | 66K | 99.8%24h | Cheapest |
| Googleglobal | $1.00 | $6.00 | $0.10 | 1M | 66K | 19%24h | Cheapest |
| Googleglobal | $2.00 | $12.00 | $0.20 | 1M | 66K | 99.4%24h | +100% |
| Google AI Studio | $2.00 | $12.00 | $0.20 | 1M | 66K | 97.8%24h | +100% |
| Googleglobal/priority | $3.60 | $21.60 | $0.36 | 1M | 66K | 100%24h | +260% |
| Google AI Studiopriority | $3.60 | $21.60 | $0.36 | 1M | 66K | 100%24h | +260% |
Value
Price vs. performance
Gemini 3.1 Pro Preview Other Google Other labs Value frontier · GPQA Diamond vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.
Benchmarks
29 benchmark scores
| Benchmark | Score | Rank | Leader |
|---|---|---|---|
| DeepSWESoftware engineering · Original long-horizon tasks across active open-source repos | 11.7% | #26of 26 | GPT-6 Astra74.1% |
| Terminal-BenchSoftware engineering · Tasks completed with the programs in a real terminal (best agent) | 80.2% | #3of 40 | GPT-5.584.7% |
| MirrorCodeSoftware engineering · Reimplement whole programs end-to-end without the source | 8.9% | #9of 9 | Claude Opus 5.577.4% |
| GBAEvalSoftware engineering · Build a Game Boy Advance emulator from scratch | 0.9% | #18of 23 | Claude Opus 579.6% |
| GSOSoftware engineering · Optimize real code to make it significantly faster | 22.6% | #13of 20 | Claude Fable 5.188.2% |
| SciCodeSoftware engineering · Research-coding problems from the natural sciences | 58.7% | #13of 93 | Claude Opus 5.566.9% |
| METR time horizonSoftware engineering · Length of software task solved more often than not | 6.4 h | #2of 13 | Claude Opus 4.612 h |
| APEX-AgentsAgents & computer use · Long professional tasks in banking, consulting and law | 35.1% | #44of 51 | Gemini 4 Argon82.4% |
| Vending-Bench 2Agents & computer use · Run a simulated vending business for a year (final balance) | $911 | #49of 61 | GPT-6 Astra$15,515 |
| PostTrainBenchAgents & computer use · Post-train small models under a fixed compute budget | 22.0% | #10of 11 | Claude Fable 541.8% |
| DeepResearch BenchWriting & content · Find and synthesize information from the web | 47.8% | #10of 20 | Claude Opus 4.655.3% |
| GDP.pdfWriting & content · Answer questions about real professional PDFs | 17.0% | #27of 38 | GPT-6.1 Sol35.0% |
| SimpleQA VerifiedWriting & content · Factual accuracy on 1,000 short questions | 73.5% | #4of 66 | Gemini 4 Argon76.0% |
| WebDev ArenaDesign & visual · People vote on which model builds the better website (Elo) | 1447 | #54of 88 | Claude Opus 5.51820 |
| Blueprint-Bench 2Design & visual · Turn apartment photos into 2D floor plans | 26.5% | #22of 32 | Gemini 4 Argon54.4% |
| Furniture AssemblyDesign & visual · Spot mistakes in photos of IKEA builds | 26.7% | #27of 34 | Claude Opus 5.583.3% |
| ExploitBenchCybersecurity · Exploit real, hardened security vulnerabilities | 26.1% | #3of 8 | GPT-5.547.4% |
| GPQA DiamondReasoning & knowledge · PhD-level biology, chemistry and physics questions | 94.4% | #8of 92 | Gemini 4 Argon96.4% |
| Humanity's Last ExamReasoning & knowledge · Expert questions across 100+ subjects | 46.4% | #3of 23 | GPT-6 Astra54.8% |
| ARC-AGI-2Reasoning & knowledge · Few-shot abstract reasoning on grid puzzles | 77.1% | #16of 63 | GPT-6 Astra95.0% |
| ARC-AGI-1Reasoning & knowledge · Pattern induction from input–output examples | 98.0% | #7of 63 | Gemini 4 Argon98.5% |
| SimpleBenchReasoning & knowledge · Common-sense trick questions about space, time and people | 79.6% | #3of 43 | Claude Fable 581.9% |
| CritPtReasoning & knowledge · Open-ended, research-level physics problems | 17.7% | #32of 96 | GPT-5.6 Sol32.3% |
| Chess PuzzlesReasoning & knowledge · Find the single best move in 100 new puzzles | 51.0% | #16of 70 | GPT-6 Astra76.0% |
| LMCAReasoning & knowledge · Judge the quality of conceptual arguments like experts | 53.8% | #18of 96 | Claude Sonnet 5.568.3% |
| FrontierMathMaths · Expert-written problems, undergrad to early research (tiers 1–3) | 59.7% | #38of 72 | GPT-6.1 Sol93.7% |
| FrontierMath Tier 4Maths · Exceptionally hard research-level problems | 26.8% | #32of 62 | GPT-6.1 Sol100.0% |
| ProofBenchMaths · Graduate maths proofs verified in Lean 4 | 26.0% | #46of 70 | Claude Sonnet 5.5100.0% |
| OTIS Mock AIMEMaths · Competition-style problems harder than MATH Level 5 | 95.6% | #33of 90 | Gemini 4 Argon100.0% |
Specs
Details
- Model ID
google/gemini-3.1-pro-preview- Developer
- Release date
- Feb 19, 2026 ·
- Context window
- 1,048,576 tokens
- Max output
- 65,536 tokens
- API price
- $2.00 / $12.00 per 1M input / output tokens
- Providers
- 2
- Input types
- audio, file, image, text, video
- Reasoning
- Yes
- Tool calling
- Yes
- Open weights
- No
- Free tier
- No
Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.