Model Release Radar
Price/capability frontier position, benchmark scores, and community signal
Model Release Radar
Claude Fable 5
anthropic·closed weights·Proprietary·released Tuesday, Jun 9, 2026
Frontier position
- Behind frontier DeepSWE pass@1 (agentic coding) - Claude Opus 5, GPT-5.6 Sol are priced the same or lower and at least as capable.
Cost vs. capability
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Benchmark scores
Measured cost per task (DeepSWE)
| Benchmark | Pass@1 | Measured cost / task | Frontier |
|---|---|---|---|
| DeepSWE (agentic coding) (xhigh effort, 95% CI 66.7%-73.2%, 4 runs) | 69.9% | $13.41 (median $11.34) | behind |
Artificial Analysis scores (no matched cost)
Artificial Analysis scores below have no measured per-task cost, so no frontier claim is made for them here.
| Benchmark | Score |
|---|---|
| AA intelligence index | 62.1 |
| AA coding index | 76.5 |
| GPQA Diamond (science) | 92.6% |
| Humanity's Last Exam | 55.5% |
| IFBench (instruction following) | 63.5% |
| LCR | 76.7% |
| SciCode (coding) | 60.2% |
| Tau2 (tool use) | 98.5% |
| Tau2 (banking) | 38.1% |
| Terminal-Bench (hard) | 62.9% |
| Terminal-Bench 2.1 (agentic) | 84.6% |
Community signal
| Variant | Coding Elo | Overall Elo | Votes |
|---|---|---|---|
| Rating | 1,519 | 1,495 | 25,824 |