Compare · ModelsLive · 2 picked · head to head
GPT-5.2-Codex vs GPT-5 Mini
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.2-Codex wins on 8/8 benchmarks
GPT-5.2-Codex wins 8 of 8 shared benchmarks. Leads in coding · reasoning · language.
Category leads
coding·GPT-5.2-Codexreasoning·GPT-5.2-Codexlanguage·GPT-5.2-Codexmath·GPT-5.2-Codexknowledge·GPT-5.2-Codex
Hype vs Reality
Attention vs performance
GPT-5.2-Codex
#13 by perf·no signal
GPT-5 Mini
#63 by perf·no signal
Best value
GPT-5 Mini
5.6x better value than GPT-5.2-Codex
GPT-5.2-Codex
9.0 pts/$
$7.88/M
GPT-5 Mini
49.8 pts/$
$1.13/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
8 benchmarks · 2 models
GPT-5.2-CodexGPT-5 Mini
LiveBench · Agentic Coding
GPT-5.2-Codex leads by +16.7
GPT-5.2-Codex
51.7
GPT-5 Mini
35.0
LiveBench · Coding
GPT-5.2-Codex leads by +7.6
GPT-5.2-Codex
83.6
GPT-5 Mini
76.1
LiveBench · Data Analysis
GPT-5.2-Codex leads by +28.6
GPT-5.2-Codex
78.2
GPT-5 Mini
49.6
LiveBench · If
GPT-5.2-Codex leads by +2.2
GPT-5.2-Codex
66.5
GPT-5 Mini
64.2
LiveBench · Language
GPT-5.2-Codex leads by +4.5
GPT-5.2-Codex
73.7
GPT-5 Mini
69.2
LiveBench · Mathematics
GPT-5.2-Codex leads by +14.4
GPT-5.2-Codex
88.8
GPT-5 Mini
74.4
LiveBench · Overall
GPT-5.2-Codex leads by +13.3
GPT-5.2-Codex
74.3
GPT-5 Mini
61.0
LiveBench · Reasoning
GPT-5.2-Codex leads by +19.1
GPT-5.2-Codex
77.7
GPT-5 Mini
58.6
Full benchmark table
| Benchmark | GPT-5.2-Codex | GPT-5 Mini |
|---|---|---|
LiveBench · Agentic Coding | 51.7 | 35.0 |
LiveBench · Coding | 83.6 | 76.1 |
LiveBench · Data Analysis | 78.2 | 49.6 |
LiveBench · If | 66.5 | 64.2 |
LiveBench · Language | 73.7 | 69.2 |
LiveBench · Mathematics | 88.8 | 74.4 |
LiveBench · Overall | 74.3 | 61.0 |
LiveBench · Reasoning | 77.7 | 58.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| GPT-5.2-Codex | $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 |
| GPT-5 Mini | $0.25 | $2.00 | 400K tokens (~200 books) | $6.88 |