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Gemini 3.5 Flash vs GPT-4o-mini Search Preview
List-price comparison · Gemini 3.5 Flash details · GPT-4o-mini Search Preview details
For a typical workload (100,000 requests / mo), GPT-4o-mini Search Preview costs 92% less — $42.00/mo vs $540.00/mo.
| Gemini 3.5 Flash | GPT-4o-mini Search Preview | |
|---|---|---|
| Input / 1M tokens | $1.50 | $0.150 |
| Output / 1M tokens | $9.00 | $0.600 |
| Typical request (1,200 in + 400 out) | $0.0054 | $0.0004 |
| Context window | 1,048,576 tokens | 128k tokens |
| Max output | 65,536 tokens | 16,384 tokens |
| Tier | Flash | Flash |
| Provider | OpenAI |
Projected monthly cost
1,000 requests / month$5.40 vs $0.4210,000 requests / month$54.00 vs $4.20100,000 requests / month$540.00 vs $42.00
Rows open both models in the calculator — adjust volume and token counts there.
Gemini 3.5 Flash
Fast, cheap multi-modal model with the same 1M-token context as the Pro tier — good for high-volume document Q&A and image/audio triage.
Reasoning quality trails the Pro tier on complex, multi-step tasks; best used where speed and context size matter more than depth.
GPT-4o-mini Search Preview
Auto-synced from OpenRouter — no editorial write-up yet.
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.