Fable 5.1 Coding Benchmark
How Fable 5.1 ranks on the LLM Coding Leaderboard, shown next to the three models directly above and below it, with the top three models included for reference.
Last evaluated: 3 weeks ago (October 2, 2026), with Claude Code.
| # | Model | Total points (max 70) |
Avg cost per prompt |
Avg time per prompt |
Video | Tested with | Points per project | |||
|---|---|---|---|---|---|---|---|---|---|---|
|
Laravel Code Quality
(max 20) |
React-TS Code Quality
(max 20) |
Bug Finding Test
(max 10) |
Edge-case Testing (4 projects, max 20) |
|||||||
| 1 | Opus 5.5 (High) | 67.26 | $0.83 | 03:42 |
Claude Code |
18.68 | 19 | 9.58 | 20 | |
| 2 | GPT-6-Astra (High) | 66.35 | $0.96 | 04:34 |
Codex CLI |
18.6 | 18.17 | 9.58 | 20 | |
| 3 | GPT-6-Astra (Medium) | 66.03 | $0.69 | 03:08 |
Codex CLI |
18.2 | 17.83 | 10 | 20 | |
| ⋯ 3 places not shown ⋯ | ||||||||||
| 7 | Sonnet 5.5 (High) | 64.31 | $0.34 | 01:53 |
Claude Code |
18.68 | 18.5 | 8.13 | 19 | |
| 8 | GPT-6.1-Sol (Low) | 61.45 | $0.10 | 01:21 |
Codex CLI |
17.53 | 16.67 | 8.75 | 18.5 | |
| 9 | Deepseek-V4.1-Flash-1017 (Max) | 61.2 | N/A | 04:58 |
DeepSeek Harness |
18.07 | 18.67 | 8.96 | 15.5 | |
| 10 | Fable 5.1 (Medium) | 61.03 | $1.53 | 03:06 |
Claude Code |
18.55 | 16.83 | 7.4 | 18.25 | |
| 11 | Deepseek-V4.1-Flash-1017 (Max) | 60.97 | $0.07 | 07:09 |
OpenCode |
17.42 | 18.17 | 8.13 | 17.25 | |
| 12 | Sonnet 5.5 (Medium) | 60.54 | $0.20 | 00:58 |
Claude Code |
17.88 | 18.33 | 7.08 | 17.25 | |
| 13 | Opus 5.5 (Low) | 60.5 | $0.37 | 01:21 |
Claude Code |
17.37 | 18.17 | 6.46 | 18.5 | |
Tutorials about Fable 5.1
Video
· Sep 8, 2026
I Tested Fable 5.1 on Coding (and Astra update on Code Quality)
How to read this
- Each score measures a model-and-harness configuration, not the model in isolation.
- Prices are calculated with API costs. Models tested on a subscription plan show N/A.
- Full methodology and scoring formulas are explained in this article.
See every tested model side by side on the full LLM Coding Leaderboard.
