Gemini 3.5 Flash Lite vs Gemini 4 Carbon
Price, context window & benchmark comparison
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Verdict: Gemini 3.5 Flash Lite is 4.7× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix. Gemini 4 Carbon scores higher on the Artificial Analysis Intelligence Index (60 vs 11.7).
| Gemini 3.5 Flash Lite | Gemini 4 Carbon | |
|---|---|---|
| Input price / 1M | $0.30 | $2.00 |
| Output price / 1M | $2.50 | $10.00 |
| Blended price (3:1) | $0.85 | $4.00 |
| Cached input / 1M | $0.03 | $0.10 |
| Context window | 1M | 1M |
| Max output | 66K | 944K |
| Intelligence index | 11.7 | 60 |
| Coding index | 49.3 | — |
| Providers | 8 | 7 |
| Best provider uptime (30m) | 100.0% | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-07-21 | 2026-11-10 |
| Retirement | — | — |
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FAQ
Which is cheaper, Gemini 3.5 Flash Lite or Gemini 4 Carbon?
Gemini 3.5 Flash Lite is 4.7× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.
Gemini 3.5 Flash Lite vs Gemini 4 Carbon: which has a bigger context window?
Gemini 3.5 Flash Lite: 1,048,576 tokens. Gemini 4 Carbon: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: Gemini 3.5 Flash Lite ≈ $1,850, Gemini 4 Carbon ≈ $9,000.
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