Claude Fable 5 vs Flint
Pricing, benchmarks, and use case comparison
Quick take
- •Claude Fable 5 is meaningfully stronger at coding (99 vs 3 on our capability index).
- •Flint is open-weights (free to self-host); Claude Fable 5 is paid API only.
Specs comparison
| Claude Fable 5 | Flint | |
|---|---|---|
| Provider | Anthropic | Springboards |
| Type | Closed source | Closed source |
| Context window | ✓1M | Not announced |
| Input / 1M tokens | $10.00 | ✓Not announced |
| Output / 1M tokens | $50.00 | Not announced |
| Release date | 2026-06 | 2026-04 |
Benchmarks
| Benchmark | Claude Fable 5 | Flint |
|---|---|---|
| SWE-bench Verified | 95.0% | - |
| Terminal-Bench 2.1 | 88.0% | - |
| GPQA Diamond | 92.6% | - |
| SWE-bench Pro | 80.3% | - |
| Novelty Bench | - | 7/10 |
| Intra-Model Similarity | - | 0.721 |
| NoveltyBench | - | 7.47 |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose Claude Fable 5 if...
- →You need the absolute highest capability Anthropic offers for hard tasks
- →You run long, complex autonomous agents where quality compounds over many steps
- →You do frontier-level engineering, research, or analytics and cost is secondary
- →You want maximum accuracy on the toughest coding and reasoning benchmarks
Choose Flint if...
- →When exploring diverse creative directions
- →For early-stage ideation and concept generation
- →When variety and novelty are more important than accuracy