Gemini 3.1 Pro Preview
retiredGoogle · Multimodal · Released Feb 2026
Google's frontier reasoning model with a 1M token context window, designed for complex multi-step tasks and extended document processing.
- Strengths
- Excels at software engineering tasks, reasoning across long contexts, and agentic workflows with improved reliability and token efficiency.
- Best for
- Complex reasoning problems, code generation and analysis, extended document workflows, and autonomous agent systems.
- Limitations
- As a preview model, it may have stability or compatibility issues; check Google's documentation for production readiness and any known constraints.
Input / 1M
$2.00
Output / 1M
$12.00
Cached input / 1M
$0.2
Context window
1.05M
Price history
Input (solid)Output (dashed)
Price change
- 30d
- in decreased 0.0% out decreased 0.0%
- 90d
- in decreased 0.0% out decreased 0.0%
- 1y
- in decreased 0.0% out decreased 0.0%
- Since launch
- in decreased 0.0% out decreased 0.0%
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 29 Jun 2026 | $2.00 | $12.00 | $0.2 | Imported from OpenRouter | openrouter.ai |
| 11 Jun 2026 | $2.00 | $12.00 | $0.2 | Imported from OpenRouter | openrouter.ai |