Compare · ModelsLive · 2 picked · head to head
GPT-5.1-Codex-Mini vs phi-3-mini 3.8B
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
phi-3-mini 3.8B wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · GPT-5.1-Codex-Mini · phi-3-mini 3.8B are still filling in scores.
Hype vs Reality
Attention vs performance
GPT-5.1-Codex-Mini
#39 by perf·no signal
phi-3-mini 3.8B
#34 by perf·no signal
Best value
GPT-5.1-Codex-Mini
GPT-5.1-Codex-Mini
53.7 pts/$
$1.13/M
phi-3-mini 3.8B
—
no price
Vendor risk
Who is behind the model
OpenAI
$840.0B·Tier 1
Microsoft
$3.00T·Big Tech
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| GPT-5.1-Codex-Mini | $0.25 | $2.00 | 400K tokens (~200 books) | $6.88 |
| phi-3-mini 3.8B | — | — | — | — |
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