| Model profile | ||
|---|---|---|
| Model | Size | Approximate size |
| Fable 5.1Model source: provider1,000,000 tokens max native context | not available | not available4-bit quantization |
Compares GPT-6 Astra and Claude Fable 5.1 using Hot Wheels physics simulation, Vision Pro FPS task, robot arm control, software efficiency, and Steve PC game build tests.
Evaluates Claude Fable 5.1 via harness-bench using OpenCode, pi and DeepSeek Harness within Claude Code auto mode, reporting costs, token usage and Qwen 3.8-27B graded results.
Tests Claude Fable 5.1 via coding, gaming, 3D, and agentic evaluations, compares it against Claude Opus 5, and explains Mythos 5.1 for trusted organizations.
Reviews Claude Fable 5.1 across interior design, ray tracing, Blender 3D modeling, financial presentations, music composition, deep research, identifying cancer, creativity, specs, performance and lea
Evaluates Claude Fable 5.1 via BridgeBench, Claude Code in BridgeMind One, and comparisons against Fable 5, Opus 5, GPT 5.6 SOL, Grok 4.6, and Kimi K3.
Evaluates Claude Fable 5.1 via browser OS tests, C++ skate and rally games, 3D CAD models, frontend design, watch websites, and an UltraCode Subway FPS test.
Introduces and tests Fable 5.1 and Mythos 5.1.