Compare · ModelsLive · 2 picked · head to head
GPT-5.2 Pro vs GPT-5.3-Codex
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.2 Pro wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · GPT-5.2 Pro · GPT-5.3-Codex are still filling in scores.
Hype vs Reality
Attention vs performance
GPT-5.2 Pro
#60 by perf·#9 by attention
GPT-5.3-Codex
#83 by perf·#9 by attention
Best value
GPT-5.3-Codex
11.4x better value than GPT-5.2 Pro
GPT-5.2 Pro
0.6 pts/$
$94.50/M
GPT-5.3-Codex
7.0 pts/$
$7.88/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $21.00 | $168.00 | 400K tokens (~200 books) | $577.50 | |
| $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 |