Compare · ModelsLive · 2 picked · head to head
Claude Fable 5.1 vs Claude Opus 4.6 (Fast)
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Claude Fable 5.1 wins on 1/1 benchmarks
Claude Fable 5.1 wins 1 of 1 shared benchmarks. Leads in speed.
Category leads
speed·Claude Fable 5.1
Hype vs Reality
Attention vs performance
Claude Fable 5.1
#24 by perf·#11 by attention
Claude Opus 4.6 (Fast)
#176 by perf·#9 by attention
Best value
Claude Fable 5.1
4.8x better value than Claude Opus 4.6 (Fast)
Claude Fable 5.1
2.3 pts/$
$30.00/M
Claude Opus 4.6 (Fast)
0.5 pts/$
$90.00/M
Vendor risk
Who is behind the model
Anthropic
$965.0B·Tier 1
Anthropic
$965.0B·Tier 1
Head to head
1 benchmark · 2 models
Claude Fable 5.1Claude Opus 4.6 (Fast)
Artificial Analysis · Quality Index
Claude Fable 5.1 leads by +0.4
Claude Fable 5.1
53.4
Claude Opus 4.6 (Fast)
53.0
Full benchmark table
| Benchmark | Claude Fable 5.1 | Claude Opus 4.6 (Fast) |
|---|---|---|
Artificial Analysis · Quality Index | 53.4 | 53.0 |
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 | |
| $30.00 | $150.00 | 1.0M tokens (~500 books) | $600.00 |