Compare · ModelsLive · 2 picked · head to head
Gemini 4 Carbon vs GPT-5.1-Codex-Max
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 4 Carbon wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Gemini 4 Carbon · GPT-5.1-Codex-Max are still filling in scores.
Hype vs Reality
Attention vs performance
Gemini 4 Carbon
#1 by perf·#8 by attention
GPT-5.1-Codex-Max
#15 by perf·#9 by attention
Best value
Gemini 4 Carbon
1.1x better value than GPT-5.1-Codex-Max
Gemini 4 Carbon
14.3 pts/$
$6.00/M
GPT-5.1-Codex-Max
12.8 pts/$
$5.63/M
Vendor risk
Who is behind the model
Google DeepMind
$3.61T·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $2.00 | $10.00 | 1.0M tokens (~524 books) | $40.00 | |
| $1.25 | $10.00 | 400K tokens (~200 books) | $34.38 |