Gemini 3.1 Pro: Benchmarks, Pricing & Context Window
Gemini 3.1 Pro is a language model from Google, released in February 2026, with multimodal input, a 1.0M-token context window, and pricing from $2.00/M input and $12.00/M output.
Gemini 3.1 Pro is the latest model in the Gemini 3 series. It excels at complex tasks requiring broad world knowledge and advanced reasoning across modalities. Gemini 3.1 Pro uses dynamic thinking by default to reason through prompts, and
Gemini 3.1 Pro benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Real tasks performance
High-confidence performance for Gemini 3.1 Pro across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.
Performance by conversation depth
How Gemini 3.1 Pro holds up as conversations get longer.
Quality Tracker
Gemini 3.1 Pro Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Mon Oct 05 2026Gemini 3.1 Pro pricing
Providers
Gemini 3.1 Pro starts at $2.00 per million input tokens and $12.00 per million output tokens via DeepInfra. See all 2 providers below with their per-token pricing, latency, throughput, and modality support.
| Provider | Input $/M | Cached input $/M | Output $/M | Context in / out | TTFT p95 s | Output p5 c/s | Modalities in / out |
|---|---|---|---|---|---|---|---|
 DeepInfra | $2.00 | — | $12.00 | 1.0M/1.0M | — | — | / |
 Google | $2.50 | — | $15.00 | 1.0M/65.5K | 0.60 | — | / |
Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.
Gemini 3.1 Pro context window
Input and output token limits for Gemini 3.1 Pro, plus how it ranks on long-context understanding.
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Gemini 3.1 Pro latency
Gemini 3.1 Pro time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.
Gemini 3.1 Pro examples
Recent arena outputs from Gemini 3.1 Pro, picked from the highest-ranked matchups.
Gemini 3.1 Pro license
Gemini 3.1 Pro is a proprietary model available under its provider's product and API terms, has a knowledge cutoff of January 2025.
- License
- Proprietary
- Hosted access
- Knowledge cutoff
- January 2025
Proprietary license - usage restrictions apply
Gemini 3.1 Pro resources
Official sources for Gemini 3.1 Pro: provider documentation, official playground, official launch post.
Gemini 3.1 Pro vs other models
The most-compared alternatives to Gemini 3.1 Pro are GLM-5.1, Claude Opus 4.6, Gemini 3 Pro. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like Gemini 3.1 Pro
Models ranked just above and below Gemini 3.1 Pro by LLM Stats score.
FAQ
Common questions about Gemini 3.1 Pro.