Compare · ModelsLive · 2 picked · head to head

GPT-5.1-Codex-Mini vs Gemini 2.5 Pro

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Not enough overlapping benchmarks to declare a winner yet · GPT-5.1-Codex-Mini · Gemini 2.5 Pro are still filling in scores.

Hype vs Reality
GPT-5.1-Codex-Mini
#41 by perf·no signal
QUIET
Gemini 2.5 Pro
#61 by perf·no signal
QUIET
Best value
5.4x better value than Gemini 2.5 Pro
GPT-5.1-Codex-Mini
53.7 pts/$
$1.13/M
Gemini 2.5 Pro
10.0 pts/$
$5.63/M
Vendor risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Google DeepMind logo
Google DeepMind
$4.00T·Tier 1
Low risk
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
OpenAI logoGPT-5.1-Codex-Mini$0.25$2.00400K tokens (~200 books)$6.88
Google DeepMind logoGemini 2.5 Pro$1.25$10.001.0M tokens (~524 books)$34.38