Claude Sonnet 4 vs Gemini Omni 1.2 Flash
Price, context window & benchmark comparison
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Verdict: Gemini Omni 1.2 Flash is 44% cheaper than Claude Sonnet 4 on a typical 3:1 input/output mix. Claude Sonnet 4 has the larger context window (200K vs 131K).
| Claude Sonnet 4 | Gemini Omni 1.2 Flash | |
|---|---|---|
| Input price / 1M | $3.00 | $1.50 |
| Output price / 1M | $15.00 | $9.00 |
| Blended price (3:1) | $6.00 | $3.38 |
| Cached input / 1M | $0.30 | — |
| Context window | 200K | 131K |
| Max output | 64K | 66K |
| Intelligence index | 18.9 | — |
| Coding index | 37.6 | — |
| Providers | — | 1 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | No |
| Released | 2025-05-22 | 2026-11-05 |
| Retirement | 2026-10-15 | — |
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FAQ
Which is cheaper, Claude Sonnet 4 or Gemini Omni 1.2 Flash?
Gemini Omni 1.2 Flash is 44% cheaper than Claude Sonnet 4 on a typical 3:1 input/output mix.
Claude Sonnet 4 vs Gemini Omni 1.2 Flash: which has a bigger context window?
Claude Sonnet 4: 200,000 tokens. Gemini Omni 1.2 Flash: 131,072 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Claude Sonnet 4 ≈ $13,500, Gemini Omni 1.2 Flash ≈ $7,500.
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