Compare · ModelsLive · 2 picked · head to head
GPT-5.1-Codex-Max vs Gemini 3.1 Pro Preview
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.1-Codex-Max wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · GPT-5.1-Codex-Max · Gemini 3.1 Pro Preview are still filling in scores.
Hype vs Reality
Attention vs performance
GPT-5.1-Codex-Max
#12 by perf·no signal
Gemini 3.1 Pro Preview
#38 by perf·no signal
Best value
GPT-5.1-Codex-Max
1.5x better value than Gemini 3.1 Pro Preview
GPT-5.1-Codex-Max
12.8 pts/$
$5.63/M
Gemini 3.1 Pro Preview
8.7 pts/$
$7.00/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Google DeepMind
$4.00T·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.25 | $10.00 | 400K tokens (~200 books) | $34.38 | |
| $2.00 | $12.00 | 1.0M tokens (~524 books) | $45.00 |
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