Model Library
GoogleReleased February 19, 2026Gemini 3.1 Pro Preview
Google · Released February 19, 2026
Intelligence score
46
At a glance
- Intelligence
- 46
- Speed
- 151.6tokens/sec
- Latency
- 27.42stime to first token
- Input price
- $2.00per 1M tokens
- Output price
- $12.00per 1M tokens
- Context window
- 3tokens
- Parameters
- —
Summary
Comparison summary
Gemini 3.1 Pro Preview scores 46 on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier (median: 28). Gemini 3.1 Pro Preview generates output at 151.6 tokens per second (based on Google's API), which is well above average compared to other reasoning models in a similar price tier (median: 81.2 t/s). Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens (somewhat higher than average, median: $1.50) and $12.00 per 1M output tokens (somewhat higher than average, median: $8.40), based on Google's API.
Specifications
Technical specifications
| Model name | Gemini 3.1 Pro Preview |
|---|---|
| Provider | |
| Release date | February 19, 2026 |
| Intelligence score | 46 |
| Speed | 151.6 tokens/sec |
| Latency (TTFT) | 27.42s |
| Input price | $2.00 / 1M tokens |
| Output price | $12.00 / 1M tokens |
| Context window | 3 tokens |
| Parameters | — |
| Reasoning | Yes |
| Input modalities | text, image, audio, video |
| Output modalities | — |
| Open weights | No |
| License | — |
| API availability | — |
| Source | Model Intelligence legacy profile: gemini-3-1-pro-preview |
Pricing
Token prices
Price per 1M tokens
Gemini 3.1 Pro Preview, as listed in the catalog record
- Input$2.00
- Output$12.00
| Token type | Price per 1M |
|---|---|
| Input | $2.00 |
| Output | $12.00 |
Model Intelligence legacy profile: gemini-3-1-pro-preview
FAQ · 19
Frequently asked questions
Gemini 3.1 Pro Preview was released on February 19, 2026.
Gemini 3.1 Pro Preview was created by Google.
Gemini 3.1 Pro Preview scores 46 on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier (median: 28).
Gemini 3.1 Pro Preview generates output at 151.6 tokens per second (based on Google's API), which is well above average compared to other reasoning models in a similar price tier (median: 81.2 t/s).
Gemini 3.1 Pro Preview has a time to first token (TTFT) of 27.42s (based on Google's API), which is at the higher end compared to other reasoning models in a similar price tier (median: 2.77s).
Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens (somewhat higher than average, median: $1.50) and $12.00 per 1M output tokens (somewhat higher than average, median: $8.40), based on Google's API.
Gemini 3.1 Pro Preview costs $2.00 per 1M input tokens and $12.00 per 1M output tokens (based on Google's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $1.74 per 1M tokens. Pricing may vary by provider.
When evaluated on the Intelligence Index, Gemini 3.1 Pro Preview generated 56M output tokens, which is better than average compared to other reasoning models in a similar price tier (median: 72M).
Yes, Gemini 3.1 Pro Preview is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
Gemini 3.1 Pro Preview supports text, image, speech, and video input.
Gemini 3.1 Pro Preview supports text output.
Yes, Gemini 3.1 Pro Preview supports image input and can analyze, describe, and answer questions about images.
Yes, Gemini 3.1 Pro Preview is multimodal. It can process text, image, speech, and video input and generate text output.
Gemini 3.1 Pro Preview has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
No, Gemini 3.1 Pro Preview is proprietary. The model weights are not publicly available.
Gemini 3.1 Pro Preview is a proprietary model and Google has not disclosed the model size or parameter count.
Gemini 3.1 Pro Preview achieves a score of 46 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
Yes, Gemini 3.1 Pro Preview is available via API through 2 providers.
Gemini 3.1 Pro Preview is available through 2 API providers.