Compare · ModelsLive · 2 picked · head to head
GPT-5 Chat vs GPT-5 Mini
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5 Chat wins on 3/5 benchmarks
GPT-5 Chat wins 3 of 5 shared benchmarks. Leads in knowledge · reasoning.
Category leads
knowledge·GPT-5 Chatlanguage·GPT-5 Minimath·GPT-5 Minireasoning·GPT-5 Chat
Hype vs Reality
Attention vs performance
GPT-5 Chat
#1 by perf·#1 by attention
GPT-5 Mini
#63 by perf·no signal
Best value
GPT-5 Mini
3.4x better value than GPT-5 Chat
GPT-5 Chat
14.6 pts/$
$5.63/M
GPT-5 Mini
49.8 pts/$
$1.13/M
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
5 benchmarks · 2 models
GPT-5 ChatGPT-5 Mini
HELM · GPQA
GPT-5 Chat leads by +3.5
GPT-5 Chat
79.1
GPT-5 Mini
75.6
HELM · IFEval
GPT-5 Mini leads by +5.2
GPT-5 Chat
87.5
GPT-5 Mini
92.7
HELM · MMLU-Pro
GPT-5 Chat leads by +2.8
GPT-5 Chat
86.3
GPT-5 Mini
83.5
HELM · Omni-MATH
GPT-5 Mini leads by +7.5
GPT-5 Chat
64.7
GPT-5 Mini
72.2
HELM · WildBench
GPT-5 Chat leads by +0.2
GPT-5 Chat
85.7
GPT-5 Mini
85.5
Full benchmark table
| Benchmark | GPT-5 Chat | GPT-5 Mini |
|---|---|---|
HELM · GPQA | 79.1 | 75.6 |
HELM · IFEval | 87.5 | 92.7 |
HELM · MMLU-Pro | 86.3 | 83.5 |
HELM · Omni-MATH | 64.7 | 72.2 |
HELM · WildBench | 85.7 | 85.5 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| GPT-5 Chat | $1.25 | $10.00 | 128K tokens (~64 books) | $34.38 |
| GPT-5 Mini | $0.25 | $2.00 | 400K tokens (~200 books) | $6.88 |