Claude Fable 5
| Released | 2026-06-09 |
|---|---|
| Price per 1M | $10.00 in · $50.00 out |
| Overall score | 63.7 · rank 9 |
| Context window | 1,000,000 tokens |
| Provider | Anthropic |
| Weights | Proprietary |
Scores
| Dimension | Score | Rank | Benchmarks |
|---|---|---|---|
| Overall: Balanced | 63.7 | 9 | 47 |
| Overall: Coding | 62.9 | 11 | 32 |
| Overall: Reasoning | 65.1 | 8 | 17 |
| Overall: Agentic work | 62.6 | 13 | 30 |
| Overall: Frontend | 62.8 | 9 | 15 |
| Coding | 62.8 | 13 | 11 |
| Agents | 61.8 | 17 | 9 |
| Reasoning | 65.5 | 10 | 10 |
| Math | 65.1 | 9 | 4 |
| Knowledge | 64.2 | 9 | 3 |
| Frontend | 62.8 | 8 | 2 |
| General | 65.8 | 5 | 6 |
| Multimodal | 63.2 | 3 | 2 |
| Value vs price | +7.0 | 52 |
Buzz
| Posts on X | About 154 a day |
|---|---|
| Mood | 31% positive, 15% negative |
| Hacker News | 29 mentions this week |
| Checked | 2026-11-11 |
- Qwen 4 is announcement now & Beats GPT-6, Fable 5. and match Opus 5.5. - Qwen4-Max is already in preview. - 27B weight variants land first. - Alibaba confirmed Qwen 4 will heavily use RSI week ago. - across the entire lineup Max, Plus, Flash, and 27B. - leak say the first sampl…
- @lennox_saint Been doing this since Fable 5, or even since Opus 4.5-Sonnet 4.5. Though Opus 5.5 is just too good that I thought you didn't need Fable anymore. I'm using Opus 5.5 xhigh as the main session, Opus 5.5 high for read agents, and Opus 5.5 medium for write agents. May…
- This is a f*cking goldmine One free repo + Fable 5.2 just turned into an entire hedge fund desk (121k stars) Someone open-sourced a whole trading firm. Not a chatbot. A desk of AI agents that argue, size and veto trades like real people. It’s called TradingAgents, and with Fa…
Configurations
| Configuration | Balanced | Benchmarks |
|---|---|---|
| Unspecified setting | 66.0 ±2.6 | 10 |
| High | 61.9 ±1.9 | 16 |
| Low | 59.1 ±3.0 | 7 |
| Max | 63.3 ±1.0 | 28 |
| Medium | 60.3 ±3.6 | 4 |
| Thinking | 70.3 ±9.4 | 1 |
| Extra High | 63.7 ±3.4 | 6 |
Evidence
Coding 62.8 ±1.4
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierSWE | 47.0% | Epoch AI | 2026-11-11 |
| DeepSWE | 69.9% | Epoch AI | 2026-11-11 |
| FrontierCode | 53.5% | Epoch AI | 2026-11-11 |
| SWE-rebench | 64.5% | SWE-rebench | 2026-07-01 |
| WeirdML v3 | 15.6% | Epoch AI | 2026-11-11 |
| MirrorCode | 70.0% | Epoch AI | 2026-10-30 |
| GSO | 78.4% | Epoch AI | 2026-11-11 |
| SWE-bench Verified (Vals run) | 95.0% | Vals AI | 2026-09-01 |
| SciCode | 61.0% | Epoch AI | 2026-11-11 |
| LiveCodeBench (Vals run) | 89.8% | Vals AI | 2026-09-01 |
| ProgramBench | 2.0% | Vals AI | 2026-11-09 |
Agents 61.8 ±0.8
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Terminal-Bench 4 | 44.9% | Terminal-Bench | 2026-06-09 |
| Terminal-Bench-Science | 15.7% | Vals AI | 2026-11-09 |
| APEX-Agents | 63.6% | Epoch AI | 2026-11-11 |
| Terminal-Bench 4.0 (Vals run) | 41.4% | Vals AI | 2026-11-09 |
| Remote Labor Index | 16.1% | Epoch AI | 2026-11-11 |
| Terminal-Bench 2.1 (Vals run) | 80.5% | Vals AI | 2026-10-01 |
| OSWorld-Verified | 86.0% | OSWorld-Verified | 2026-08-01 |
| tau2-bench Banking Knowledge | 39.7% | tau2-bench | 2026-07-23 |
| Tax Agent Bench | 38.3% | Vals AI | 2026-11-09 |
| Vending-Bench 2 | $5,680 | Epoch AI | 2026-11-11 |
Reasoning 65.5 ±1.8
| Benchmark | Result | Source | Date |
|---|---|---|---|
| ARC-AGI-2 | 89.2% | Epoch AI | 2026-11-11 |
| ARC-AGI-2 (ARC Prize verified) | 89.2% | ARC Prize | 2026-11-11 |
| Extended NYT Connections | 92.7% | Lech Mazur | 2026-11-10 |
| CritPt | 28.6% | Epoch AI | 2026-11-11 |
| ARC-AGI-1 (ARC Prize verified) | 98.5% | ARC Prize | 2026-11-11 |
| ARC-AGI-1 | 98.5% | Epoch AI | 2026-11-11 |
| EnigmaEval | 39.3% | Epoch AI | 2026-11-11 |
| GPQA Diamond | 85.9% | Epoch AI | 2026-08-06 |
| GPQA Diamond (Vals run) | 93.2% | Vals AI | 2026-09-01 |
| Kagi Reasoning Benchmark | 91.4% | Kagi | 2026-11-11 |
| Chess Puzzles | 47.0% | Epoch AI | 2026-10-13 |
| SimpleBench | 81.9% | SimpleBench | 2026-06-10 |
| SimpleBench | 81.9% | Epoch AI | 2026-11-11 |
| Mystery Game Puzzles | 52.0% | Epoch AI | 2026-07-31 |
Math 65.1 ±1.2
| Benchmark | Result | Source | Date |
|---|---|---|---|
| FrontierMath Tiers 1-3 | 87.0% | Epoch AI | 2026-06-09 |
| FrontierMath Tier 4 | 90.2% | Epoch AI | 2026-06-09 |
| OTIS Mock AIME 2024-2025 | 99.7% | Epoch AI | 2026-06-10 |
| ProofBench v1.1 | 95.0% | Vals AI | 2026-11-09 |
| ProofBench | 95.0% | Epoch AI | 2026-11-11 |
Knowledge 64.2 ±3.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| SimpleQA Verified | 70.7% | Epoch AI | 2026-08-10 |
| MMLU-Pro (Vals run) | 91.5% | Vals AI | 2026-09-01 |
| Legal Research Bench | 49.5% | Vals AI | 2026-11-09 |
Frontend 62.8 ±0.7
| Benchmark | Result | Source | Date |
|---|---|---|---|
| Vibe Code Bench v1.1 | 90.4% | Vals AI | 2026-11-09 |
| LMArena WebDev | 1,625 | LMArena | 2026-11-09 |
General 65.8 ±1.6
| Benchmark | Result | Source | Date |
|---|---|---|---|
| LLM Debate Benchmark | 1,719 | Lech Mazur | 2026-10-26 |
| EQ-Bench 4 | 1,313 | EQ-Bench | 2026-10-24 |
| EQ-Bench Creative Writing v3 | 1,944 | EQ-Bench | 2026-11-11 |
| LMArena Text | 1,504 | LMArena | 2026-11-09 |
| Creative Story-Writing (Lech Mazur) | 86.0% | Lech Mazur | 2026-10-23 |
| EQ-Bench Longform Creative Writing | 83.0% | EQ-Bench | 2026-11-11 |
Multimodal 63.2 ±2.3
| Benchmark | Result | Source | Date |
|---|---|---|---|
| MMMU-Pro (Vals run) | 89.3% | Vals AI | 2026-09-01 |
| LMArena Vision | 1,309 | LMArena | 2026-11-09 |
Results not used in the score
| Benchmark | Result | Source | Why not used |
|---|---|---|---|
| ARC-AGI-1 | 90.5% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-1 | 95.5% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-1 | 98.5% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-1 | 92.5% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-1 (ARC Prize verified) | 90.5% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-1 (ARC Prize verified) | 95.5% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-1 (ARC Prize verified) | 98.5% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-1 (ARC Prize verified) | 92.5% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-2 | 76.8% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-2 | 87.5% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-2 | 88.3% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-2 | 82.5% | Epoch AI | A stronger configuration result was used |
| ARC-AGI-2 (ARC Prize verified) | 76.8% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-2 (ARC Prize verified) | 87.5% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-2 (ARC Prize verified) | 88.3% | ARC Prize | A stronger configuration result was used |
| ARC-AGI-2 (ARC Prize verified) | 82.5% | ARC Prize | A stronger configuration result was used |
| Chess Puzzles | 31.0% | Epoch AI | A stronger configuration result was used |
| Chess Puzzles | 45.0% | Epoch AI | A stronger configuration result was used |
| DeepSWE | 69.7% | Epoch AI | A stronger configuration result was used |
| DeepSWE | 59.6% | Epoch AI | A stronger configuration result was used |
| DeepSWE | 68.6% | Epoch AI | A stronger configuration result was used |
| DeepSWE | 65.4% | Epoch AI | A stronger configuration result was used |
| GPQA Diamond | 78.8% | Epoch AI | A stronger configuration result was used |
| GPQA Diamond | 83.3% | Epoch AI | A stronger configuration result was used |
| Kagi Reasoning Benchmark | 88.8% | Kagi | A stronger configuration result was used |
| MirrorCode | 63.9% | Epoch AI | A stronger configuration result was used |
| OTIS Mock AIME 2024-2025 | 97.8% | Epoch AI | A stronger configuration result was used |
| OTIS Mock AIME 2024-2025 | 100.0% | Epoch AI | A stronger configuration result was used |
| Vending-Bench 2 | $4,530 | Epoch AI | A stronger configuration result was used |
| Vending-Bench 2 | $4,967 | Epoch AI | A stronger configuration result was used |
| Vending-Bench 2 | $5,019 | Epoch AI | A stronger configuration result was used |
| Vending-Bench 2 | $4,340 | Epoch AI | A stronger configuration result was used |
Names matched to this model
claude-5-fable, claude-fable, claude-fable-5