Compare · ModelsLive · 2 picked · head to head
Claude Fable 5 vs GPT-5.1-Codex
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
GPT-5.1-Codex wins on 0/0 benchmarks
Not enough overlapping benchmarks to declare a winner yet · Claude Fable 5 · GPT-5.1-Codex are still filling in scores.
Hype vs Reality
Attention vs performance
Claude Fable 5
#27 by perf·#12 by attention
GPT-5.1-Codex
#26 by perf·#4 by attention
Best value
GPT-5.1-Codex
5.4x better value than Claude Fable 5
Claude Fable 5
2.3 pts/$
$30.00/M
GPT-5.1-Codex
12.2 pts/$
$5.63/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
OpenAI
$840.0B·Tier 1
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $10.00 | $50.00 | 1.0M tokens (~500 books) | $200.00 | |
| $1.25 | $10.00 | 400K tokens (~200 books) | $34.38 |