Model comparison
Gemini 2.5 Flash vs o3
Capability radar, value bars, and side-by-side posture.
Gemini 2.5 Flash
Not scored
value score
o3
93
value score
Gemini 2.5 Flash ctx
1.0M
o3 ctx
200K
Capability radar
Value · context · multimodal · openness · speed posture
Value head-to-head
- o393
Attribute tape
| Field | Gemini 2.5 Flash | o3 |
|---|---|---|
| Developer | Google AI | OpenAI |
| Context | 1.0M | 200K |
| Modalities | Text, Code | |
| Openness | Closed | Proprietary Model |
| Speed | — | — |
| Price | $0.3/1M in · $2.5/1M out | $10/1M in · $40/1M out |
| Value score | — | 93 |
| Summary | Gemini 2.5 Flash is Google's fast, cost-efficient multimodal large language model optimized for high-volume, low-latency workloads including agentic pipelines, coding, and general reasoning. It is Google's first Flash-series model to support optional 'thinking' (hybrid reasoning) that can be toggled or budget-capped by developers. | OpenAI reasoning model focused on hard problems. |