Gemini 3.1
11 models2026Up to 1.0M ctxFrom $0.25/1M input
About
Google DeepMind's Gemini 3.1 family refines Gemini 3 Pro with improved thinking, enhanced token efficiency, and optimizations for software engineering and agentic workflows.
Specifications(11 models)
| Model | Released | Context | Parameters | Vision | Multimodal | Fn Calling | Tool Use | Structured Outputs | Code Exec |
|---|---|---|---|---|---|---|---|---|---|
| Gemini Deep Research Preview | 2026-04 | 1M | — | Yes | Yes | Yes | Yes | Yes | No |
| Gemini Deep Research Max Preview | 2026-04 | 1M | — | Yes | Yes | Yes | Yes | Yes | No |
| Gemini 3.1 Flash TTS Preview | 2026-04 | 16K | — | No | No | No | No | No | No |
| Gemini 3.1 Flash Lite Preview | 2026-03 | 1M | — | Yes | Yes | Yes | Yes | Yes | Yes |
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | 2026-03 | 66K | — | No | No | No | No | No | No |
| Gemini 3.1 Pro | 2026-02 | 1M | — | Yes | Yes | Yes | Yes | No | Yes |
| Gemini 3.1 Pro Preview | 2026-02 | 1M | — | Yes | Yes | Yes | Yes | Yes | Yes |
| Gemini 3.1 Pro Preview Custom Tools | 2026-01 | 1M | — | No | No | No | No | Yes | No |
| Gemini 3.1 Flash Live Preview | 2026-01 | 128K | — | Yes | Yes | Yes | Yes | Yes | No |
Available From(4 providers)
Pricing
| Model | Provider | Input / 1M | Output / 1M | Type |
|---|---|---|---|---|
| Gemini 3.1 Flash Lite Preview | Google AI Studio | $0.25 | $1.5 | Serverless |
| Gemini 3.1 Flash Lite Preview | GCP Vertex AI | $0.25 | $1.5 | Serverless |
| Gemini 3.1 Flash Lite Preview | OpenRouter | $0.25 | $1.5 | Serverless |
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Google AI Studio | $0.5 | $60 | Serverless |
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | GCP Vertex AI | $0.5 | $60 | Serverless |
| Nano Banana 2 (Gemini 3.1 Flash Image Preview) | OpenRouter | $0.5 | $3 | Serverless |
| Gemini 3.1 Flash Live Preview | Google AI Studio | $0.75 | $4.5 | Serverless |
| Gemini 3.1 Pro Preview | Google AI Studio | $2 | $12 | Serverless |
| Gemini 3.1 Pro Preview | GCP Vertex AI | $2 | $12 | Serverless |
| Gemini 3.1 Pro | Replicate API | $2 | $12 | Serverless |
| Gemini 3.1 Pro Preview Custom Tools | OpenRouter | $2 | $12 | Serverless |
| Gemini 3.1 Pro Preview | OpenRouter | $2 | $12 | Serverless |
| Gemini Deep Research Preview | Google AI Studio | $2 | $12 | Serverless |
| Gemini Deep Research Max Preview | Google AI Studio | $2 | $12 | Serverless |
Comparisons
- GPT-4o (08-06) vs Gemini 3.1 Pro
- o3 vs Gemini 3.1 Pro
- GPT-4o (11-20) vs Gemini 3.1 Pro
- Claude Sonnet 4.6 vs Gemini 3.1 Pro
- Claude Opus 4.6 vs Gemini 3.1 Pro
- Claude Sonnet 4.5 vs Gemini 3.1 Pro
- Gemini 3.1 Pro vs DeepSeek V4 Pro
- Gemini 3.1 Pro vs Llama 4 Maverick 17B Instruct FP8
Frequently Asked Questions
- What is Gemini 3.1?
- Google DeepMind's Gemini 3.1 family refines Gemini 3 Pro with improved thinking, enhanced token efficiency, and optimizations for software engineering and agentic workflows.
- How many models are in the Gemini 3.1 family?
- The Gemini 3.1 family contains 11 models.
- What is the latest Gemini 3.1 model?
- The latest model is Gemini Deep Research Preview, released in 2026-04.
- How much does Gemini 3.1 cost?
- Gemini 3.1 models range from $0.25/1M to $2/1M input tokens depending on the model and provider.
Related Model Families
Models(11)
Gemini Deep Research Preview
2026-041M1 provider
Multimodal
Gemini Deep Research Max Preview
2026-041M1 provider
Multimodal
Gemini 3.1 Flash TTS Preview
2026-0416K
Gemini 3.1 Flash Lite Preview
2026-031M3 providers
Multimodal
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
2026-0366K3 providers
Gemini 3.1 Pro
2026-021M1 provider
Multimodal
Gemini 3.1 Pro Preview
2026-021M3 providers
Multimodal
Gemini 3.1 Pro Preview Custom Tools
2026-011M1 provider
Gemini 3.1 Flash Live Preview
2026-01128K1 provider
Multimodal