Gemini Omni 1.1 Flash vs GPT-5.6 Sol Pro
Price, context window & benchmark comparison
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Verdict: Gemini Omni 1.1 Flash is 2.4× cheaper than GPT-5.6 Sol Pro on a typical 3:1 input/output mix. GPT-5.6 Sol Pro has the larger context window (1.1M vs 131K).
| Gemini Omni 1.1 Flash | GPT-5.6 Sol Pro | |
|---|---|---|
| Input price / 1M | $1.50 | $4.00 |
| Output price / 1M | $9.00 | $20.00 |
| Blended price (3:1) | $3.38 | $8.00 |
| Cached input / 1M | — | $0.40 |
| Context window | 131K | 1.1M |
| Max output | 66K | 128K |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | No | Yes |
| Released | 2026-11-04 | 2026-07-09 |
| Retirement | — | — |
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FAQ
Which is cheaper, Gemini Omni 1.1 Flash or GPT-5.6 Sol Pro?
Gemini Omni 1.1 Flash is 2.4× cheaper than GPT-5.6 Sol Pro on a typical 3:1 input/output mix.
Gemini Omni 1.1 Flash vs GPT-5.6 Sol Pro: which has a bigger context window?
Gemini Omni 1.1 Flash: 131,072 tokens. GPT-5.6 Sol Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Gemini Omni 1.1 Flash ≈ $7,500, GPT-5.6 Sol Pro ≈ $18,000.
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