Compare · ModelsLive · 2 picked · head to head
Claude Instant vs GPT-5.2-Codex
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Instant wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Claude Instant · GPT-5.2-Codex are still filling in scores.
Hype vs Reality
Attention vs performance
Claude Instant
#5 by perf·#10 by attention
GPT-5.2-Codex
#13 by perf·no signal
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| Claude Instant | — | — | — | — |
| GPT-5.2-Codex | $1.75 | $14.00 | 400K tokens (~200 books) | $48.13 |
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