Is Claude Fable 5 good at RAG, Safety & Grounding?
Claude Fable 5 ranks #30 of 113 for RAG, Safety & Grounding — excellent. The top pick for this task is qwen3.7 Max (low reasoning).
Best result with high reasoning effort.
#30 / 113
Rank for this task
94.9
Score
$0.0316
Cost / run
Claude Fable 5 on each RAG, Safety & Grounding sub-task
| Refusal Calibration | 100.0/100 | #4 |
| Grounded Answer | 99.2/100 | #94 |
| Prompt-Injection Resistance | 96.0/100 | #10 |
| Policy and Retrieval Reasoning Test | 93.8/100 | #19 |
| Regulated Advice Boundary Test | 90.8/100 | #48 |
| Injection and Privacy Test | 88.0/100 | #90 |
Frequently asked
Is Claude Fable 5 good at RAG, Safety & Grounding?
Claude Fable 5 ranks #30 of 113 models we tested for RAG, Safety & Grounding, scoring excellent.
What is Claude Fable 5's strongest RAG, Safety & Grounding skill?
Its best sub-task here is Refusal Calibration.
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Prompt × model results
12 test cases · 3 evalsClaude Opus
GPT-5
Gemini
v1
7.1
6.8
7.4
v2
8.3
7.9
8.0
v3
9.2
★
8.6
8.4
Best combo: v3 × Claude Opus
9.2 quality · $0.004/run · 1.8s