Gemini 3.5 Flash vs GPT-5.4
Both models are evenly matched
Arena ELO
GPT-5.4
Cheaper
Gemini 3.5 Flash
Faster
GPT-5.4
Detailed Comparison
| Category | Gemini 3.5 Flash | GPT-5.4 |
|---|---|---|
| Provider | OpenAI | |
| Context Window | 1M | 1M |
| Input Price ($/1M) | $1.5 WIN | $3 |
| Output Price ($/1M) | $9 WIN | $15 |
| Arena ELO | N/A | 1560 WIN |
| Coding | N/A | unknown |
| Reasoning | N/A | unknown |
| Speed (tokens/sec) | N/A | ~50 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Gemini 3.5 Flash or GPT-5.4?
Gemini 3.5 Flash is approximately 42% cheaper than GPT-5.4 per million tokens.
Which is better for coding, Gemini 3.5 Flash or GPT-5.4?
Gemini 3.5 Flash scores N/A on coding benchmarks, while GPT-5.4 scores unknown.
Which has a larger context window?
Gemini 3.5 Flash supports 1M context, while GPT-5.4 supports 1M.
Is Gemini 3.5 Flash or GPT-5.4 open source?
Gemini 3.5 Flash is proprietary. GPT-5.4 is proprietary.
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