Compare / head-to-head
Claude Fable 5vs
Hy4 preview
Hy4 preview leads 4 of 6 shared benchmarks. Hy4 preview is 18x cheaper per token. Both offer a 1M-token context window.
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 4
Hy4 preview leads · 1 tied
Cheaper per token
Hy4 preview
18x cheaper, input + output
Larger context
Tie
both 1M tokens
Providers
2 providers
Anthropic · Tencent Hunyuan
Claude Fable 5
Anthropic · released 2026-06-09
textvision
Hy4 preview
Tencent Hunyuan · released 2026-08-28
text
Quality
Benchmark matrix
6 shared · 38 only Claude Fable 5 · 12 only Hy4 preview| Benchmark | Claude Fable 5 | Hy4 preview | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 6 | ||||
| GPQA Diamond | 85.9% ↗epoch run | 92.3% ↗ | -6.4 pt | Hy4 preview |
| LMArena Agent (LMArena) | 0.0821 ↗ | 0.0395 ↗ | 0 | Tie |
| LMArena WebDev (LMArena) | 1625.3 ↗ | 1633.2 ↗ | -7.9 | Hy4 preview |
| OfficeQA Pro | 57.9% ↗ | 66.2% ↗ | -8.3 pt | Hy4 preview |
| Terminal-Bench 2.1 | 84.3% ↗ | 85.4% ↗ | -1.1 pt | Hy4 preview |
| Terminal-Bench 4.0 (Vals AI) | 41.4% ↗ | 8.1% ↗ | +33.3 pt | Claude Fable 5 |
| Only Claude Fable 5 reports · 38 | ||||
| SWE-bench Verified | 95% ↗ | not reported | — | — |
| LMArena Elo | 1504.3 ↗ | not reported | — | — |
| APEX-Agents (Mercor) | 63.6% ↗ | not reported | — | — |
| AutomationBench | 17.4% ↗ | not reported | — | — |
| Blueprint-Bench 2 | 38.6% ↗ | not reported | — | — |
| Chess Puzzles (Epoch AI run) | 41% ↗epoch run | not reported | — | — |
| CursorBench | 72.9% ↗ | not reported | — | — |
| DeepSWE v1.1 (Datacurve) | 69.9% ↗ | not reported | — | — |
| EBR-bench (Epoch AI run) | 39.5% ↗epoch run | not reported | — | — |
| FrontierCode (Diamond) | 29.3% ↗ | not reported | — | — |
| FrontierMath Tier 4 v2 (Epoch AI run) | 90.2% ↗epoch run | not reported | — | — |
| FrontierMath Tiers 1-3 v2 (Epoch AI run) | 87% ↗epoch run | not reported | — | — |
| FrontierSWE V2 (Proximal Labs) | 47% ↗ | not reported | — | — |
| Furniture Assembly (Epoch AI run) | 35.8% ↗epoch run | not reported | — | — |
| GDP.pdf | 29.8% ↗ | not reported | — | — |
| GSO Opt@1 (GSO) | 76.5% ↗ | not reported | — | — |
| Legal Agent Benchmark (Harvey's Held-Out Set) | 13.3% ↗ | not reported | — | — |
| LiveBench Agentic Coding (LiveBench) | 62.2% ↗ | not reported | — | — |
| LiveBench Coding (LiveBench) | 86% ↗ | not reported | — | — |
| LiveBench Data Analysis (LiveBench) | 80.5% ↗ | not reported | — | — |
| LiveBench Instruction Following (LiveBench) | 75.8% ↗ | not reported | — | — |
| LiveBench Language (LiveBench) | 90.7% ↗ | not reported | — | — |
| LiveBench Mathematics (LiveBench) | 96% ↗ | not reported | — | — |
| LiveBench Reasoning (LiveBench) | 89.7% ↗ | not reported | — | — |
| LMArena Vision (LMArena) | 1308.8 ↗ | not reported | — | — |
| MirrorCode (Epoch AI run) | 63.9% ↗epoch run | not reported | — | — |
| Mystery Game Puzzles (Epoch AI run) | 52% ↗epoch run | not reported | — | — |
| OSWorld-Verified | 85% ↗ | not reported | — | — |
| OSWorld-Verified (XLANG) | 86% ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 100% ↗epoch run | not reported | — | — |
| SAGE (Vals AI) | 51.9% ↗ | not reported | — | — |
| SimpleBench (SimpleBench) | 81.9% ↗ | not reported | — | — |
| SimpleQA Verified | 70.7% ↗epoch run | not reported | — | — |
| SWE-Bench Pro | 80% ↗ | not reported | — | — |
| SWE-rebench 2026-05-15 to 2026-07-01 (Nebius) | 64.5% ↗ | not reported | — | — |
| tau2-bench Banking Knowledge (Sierra) | 39.7% ↗ | not reported | — | — |
| Vending-Bench 2 (Andon Labs) | 5680.26 ↗ | not reported | — | — |
| WeirdML (Håvard Tveit Ihle) | 91.9% ↗ | not reported | — | — |
| Only Hy4 preview reports · 12 | ||||
| Agents' Last Exam (ALE-CLI) | not reported | 22.8% ↗ | — | — |
| CyberGym | not reported | 78.4% ↗ | — | — |
| DeepSWE | not reported | 64.3% ↗ | — | — |
| HLE (no tools, text-only) | not reported | 43.4% ↗ | — | — |
| HLE (with tools, text-only) | not reported | 55.4% ↗ | — | — |
| MathArena Apex 2025 | not reported | 74.2% ↗ | — | — |
| MCP-Atlas (public) | not reported | 83.7% ↗ | — | — |
| NL2Repo-Bench | not reported | 58.9% ↗ | — | — |
| SWE-bench Multilingual | not reported | 82.9% ↗ | — | — |
| SWE-bench Pro | not reported | 65.7% ↗ | — | — |
| Toolathlon-Verified | not reported | 74.1% ↗ | — | — |
| WideSearch | not reported | 83.9% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude Fable 5 minus Hy4 preview in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | Claude Fable 5 | Hy4 preview | Edge |
|---|---|---|---|
| Context window | 1M tokens | 1M tokens | Tie |
| Max output | 128K tokens | 64K tokens | Claude Fable 5 |
| Input price / 1M | $10 ↗ | $0.834 ↗ | Hy4 preview |
| Output price / 1M | $50 ↗ | $2.5 ↗ | Hy4 preview |
| Cached input / 1M | $1 ↗ | $0.042 ↗ | Hy4 preview |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $60 | $3.34 | Hy4 preview |
| Modalities | text · vision | text | Claude Fable 5 |
| Released | 2026-06-09 | 2026-08-28 | — |
| Cited benchmark scores | 44 | 18 | — |
Reliability
Provider status
Live from /statusMore matchups
Claude Fable 5 vs …
Models sharing the most benchmarksMore matchups
Hy4 preview vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Claude Fable 5 and Hy4 preview on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.