Gemini 3.6 Flash vs OpenAI o3
Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.
G
Gemini 3.6 Flash
O
OpenAI o3
OpenAI
Capability radar
Normalized coding, reasoning, writing, vision, context, and value
Gemini 3.6 FlashOpenAI o3
| Metric | Gemini 3.6 Flash | OpenAI o3 |
|---|---|---|
| Input Price / 1M | $1.50 | $10.00 |
| Output Price / 1M | $7.50 | $40.00 |
| Combined Price / 1M | $9.00 | $50.00 |
| Context Window | 1,000,000 | 200,000 |
| Coding Score | 91 | 95 |
| Reasoning Score | 92 | 97 |
| Vision Score | 94 | 70 |
| Audio | Yes | No |
| Streaming | Yes | Yes |
| Function Calling | Yes | Yes |
| Latency Tier | fast | reasoning |
| Release Date | 7/21/2026 | 4/16/2025 |
Gemini 3.6 Flash — Strengths & Weaknesses
Strengths
- Fast latency
- Strong multimodal
- Large context
Weaknesses
- Pricing varies by endpoint/region
OpenAI o3 — Strengths & Weaknesses
Strengths
- Frontier reasoning
- Vision in reasoning mode
Weaknesses
- Very expensive
- Slow inference
Use Case Verdicts
Enterprise Use
Gemini 3.6 Flash combines strong reasoning, tooling, and context for enterprise workloads.
Agent Workflows
OpenAI o3 is better suited for agentic workflows with tool use and coding capability.