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Gemini 3.1 Pro Preview google
Release timeline
Stages observed by the nightly radar: announced → API only → weights public → served by third parties. Each entry carries the source it was seen at.
- 2026-02-19 · API only source seeded from the earliest dated observation when first seen · observed 2026-10-07 20:20 UTC
Description
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...
via OpenRouter listing · observed 2026-10-24 21:26 UTC. The listing text is the provider's own description, not an assessment.
Where to run 2 providers · 6 endpoints
Hosted endpoints observed for Gemini 3.1 Pro Preview, sorted by input price (USD per million tokens). Each row names its observer and date; prices change daily, so check the source before quoting. Cheapest observed input price: $1.00/M.
| Provider | Model ref | Context | Quant | $/M in | $/M out | tok/s | TTFT | Tools | Status | Observed |
|---|---|---|---|---|---|---|---|---|---|---|
| Google openrouter | google/gemini-3.1-pro-preview | 1M | unknown | $1.00 | $6.00 | — | — | yes | live | 2026-10-24 |
| Google AI Studio openrouter | google/gemini-3.1-pro-preview | 1M | unknown | $1.00 | $6.00 | — | — | yes | live | 2026-10-24 |
| Google openrouter | google/gemini-3.1-pro-preview | 1M | unknown | $2.00 | $12.00 | — | — | yes | live | 2026-10-24 |
| Google AI Studio openrouter | google/gemini-3.1-pro-preview | 1M | unknown | $2.00 | $12.00 | — | — | yes | live | 2026-10-24 |
| Google openrouter | google/gemini-3.1-pro-preview | 1M | unknown | $3.60 | $21.60 | — | — | yes | live | 2026-10-24 |
| Google AI Studio openrouter | google/gemini-3.1-pro-preview | 1M | unknown | $3.60 | $21.60 | — | — | yes | live | 2026-10-24 |
No third-party providers observed beyond the lab's own endpoints. Cache-read price $0.20/M (source, observed 2026-10-24).
Facts
| Context length | 1,048,576 tokens (1M) · OpenRouter listing |
|---|---|
| Modalities | audio + file + image + text + video → text |
| Max completion tokens | 65,536 |
| Supported parameters | include_reasoning, max_tokens, reasoning, reasoning_effort, response_format, seed, stop, structured_outputs, temperature, tool_choice, tools, top_p |
| Openness | Closed weights · closed lab |
| Stage | API only |
| Confidence | medium |
| Pricing (USD per M tokens) |
in $2.00 · out $12.00 · cache read $0.20 OpenRouter list price (cheapest live endpoint) · source · observed 2026-10-24 21:26 UTC |
Open alternatives 5
Nearest open-weights models by modality, context and price on this watch list. Not a quality ranking.
| Model | Org | Params | Context | $/M in | License | Why it is here |
|---|---|---|---|---|---|---|
| Kimi-K3 | moonshotai | 2.78T | 1M | $0.23 | other | similar context (1.05M), cheaper input price ($0.2261/M vs $2/M), vision input |
| MiniMax-M3 | MiniMaxAI | 427B | 1M | $0.22 | other | similar context (1.05M), cheaper input price ($0.224/M vs $2/M), vision input |
| Qwen3.5-4B | Qwen | 4.66B | 256K | — | apache-2.0 | vision input |
| DeepSeek-V4.1-Flash-1017 | deepseek-ai | 763B | 1M | $0.20 | mit | similar context (1.05M), cheaper input price ($0.2/M vs $2/M), vision input |
| Llama-3.2-11B-Vision-Instruct | meta-llama | 10.7B | — | — | llama3.2 | vision input |
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Email alerts are not open yet; the feeds above are the same data. See feeds for the item schema.
Sources
- openrouter google/gemini-3.1-pro-preview · observed 2026-10-24 21:26 UTC
Radar run: 2026-10-25 06:51 UTC · Last verified 2026-10-25 06:51 UTC