token.app › Compare › Claude Fable 5 vs Inkling
Claude Fable 5 vs Inkling
Claude Fable 5 leads on 3 of 4 shared benchmarks. Inkling is 11× cheaper per token on a blended 3:1 basis. Claude Fable 5 accepts the larger context window (1M).
Head to head
Blended price uses a 3:1 input:output mix
| Claude Fable 5 | Inkling | |
|---|---|---|
| Provider | Anthropic | Thinkingmachines |
| Input $/1M | $10.00 | $1.00 |
| Output $/1M | $50.00 | $4.05 |
| Blended $/1M | $20.00 | $1.76 |
| Context window | 1M | 524K |
| Max output | 128K | 472K |
| Released | Jun 2026 | Jul 2026 |
| Licence | Proprietary | Open weights |
| GPQA Diamond | 85.9% | 88.3% |
| FrontierMath T1–3 | 87.0% | 33.3% |
| FrontierMath T4 | 90.2% | 4.9% |
| OTIS Mock AIME | 100.0% | 88.9% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Claude Fable 5 if…
- Higher FrontierMath T1–3 (87.0% vs 33.3%)
- Higher FrontierMath T4 (90.2% vs 4.9%)
- Higher OTIS Mock AIME (100.0% vs 88.9%)
- Larger context window (1M)
Choose Inkling if…
- Costs less per token — $1.76 vs $20.00 blended
- Higher GPQA Diamond (88.3% vs 85.9%)
- Open weights — self-hostable
- Newer model (released Jul 2026)
FAQ
Which is better, Claude Fable 5 or Inkling?
Across the 4 benchmarks both models have independently-run scores for, Claude Fable 5 leads on 3 and Inkling leads on 1. Benchmarks are one input — price and context window are on this page too.
Is Claude Fable 5 cheaper than Inkling?
Inkling is cheaper: $1.76 versus $20.00 per million tokens blended at 3:1 input:output. Input alone: $10.00 vs $1.00. Output alone: $50.00 vs $4.05.
What context windows do Claude Fable 5 and Inkling have?
Claude Fable 5: 1,000,000 tokens. Inkling: 524,288 tokens.
Who makes Claude Fable 5 and Inkling?
Claude Fable 5 is made by Anthropic. Inkling is made by Thinkingmachines.