Model comparison
Gemini 3.1 Pro Preview Custom Tools vs o3
Capability radar, value bars, and side-by-side posture.
Gemini 3.1 Pro Preview Custom Tools
Not scored
value score
o3
93
value score
Gemini 3.1 Pro Preview Custom Tools ctx
—
o3 ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- o393
Attribute tape
| Field | Gemini 3.1 Pro Preview Custom Tools | o3 |
|---|---|---|
| Developer | Google AI | OpenAI |
| Context | — | 200K |
| Modalities | Text, Code | |
| Openness | — | Proprietary Model |
| Speed | — | — |
| Price | — | $10/1M in · $40/1M out |
| Value score | — | 93 |
| Summary | A specialized preview endpoint of Gemini 3.1 Pro optimized for agentic workflows that prioritize custom/function-calling tools over general bash tool invocation. Designed for multi-tool coding agents and complex tool-selection scenarios via the Google Gemini API. | OpenAI reasoning model focused on hard problems. |