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Claude Fable 5 vs K-EXAONE 2.0
Claude Fable 5 (Anthropic) and K-EXAONE 2.0 (LG AI Research) compared on benchmarks, pricing, context window, and use-case rankings.
- Claude Fable 5 ranks higher for coding (96th vs 33th percentile).
| Attribute | Claude Fable 5 | K-EXAONE 2.0 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 163 | — |
| Coding | 96 | 33 |
| Math | 96 | — |
| Reasoning & Knowledge | 89 | 29 |
| Agentic & Tools | 96 | — |
| Specifications | ||
| Developer | Anthropic | LG AI Research |
| Family | Claude | — |
| Released | Jun 9, 2026 | Jul 31, 2026 |
| Parameters | — | 750B |
| Availability | API access | Open weights (unrestricted) |
| Context window | 1M | — |
| Price — $/M input | $10.00 | — |
| Price — $/M output | $50.00 | — |
| Inputs | text, image, file | — |
| Outputs | text | — |
| Benchmarks | ||
| AIME 2024/2025 | 100% | — |
| APEX | 45% | — |
| ARC-AGI | 99% | — |
| ARC-AGI-2 | 89% | — |
| GPQA Diamond | 86% | 83% |
| Humanity's Last Exam | 56% | 19% |
| SciCode | 61% | 42% |
| SimpleBench | 82% | — |
| SimpleQA Verified | 71% | — |
| WebDev Arena | 1626 | — |
| WeirdML | 92% | — |
| τ²-bench | 99% | — |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is better for coding, Claude Fable 5 or K-EXAONE 2.0?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, Claude Fable 5 ranks higher — 96th vs 33th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.