Compare
Claude Fable 5 vs GPT-5.4
Add, remove, or swap models to compare them side by side.
| Attribute | Claude Fable 5 | GPT-5.4 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 162 | 157 |
| Coding | 99 | 77 |
| Math | 95 | 88 |
| Reasoning & Knowledge | 96 | 78 |
| Agentic & Tools | 98 | 72 |
| Specifications | ||
| Developer | Anthropic | OpenAI |
| Family | Claude | GPT |
| Released | Jun 9, 2026 | Mar 5, 2026 |
| Parameters | — | — |
| Availability | API access | API access |
| Context window | 1M | 1.1M |
| Price — $/M input | $10.00 | $2.50 |
| Price — $/M output | $50.00 | $15.00 |
| Inputs | text, image, file | text, image, file |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 100% | 98% |
| APEX | 45% | 36% |
| GPQA Diamond | 93% | 93% |
| Humanity's Last Exam | 53% | 36% |
| SciCode | 60% | 57% |
| SimpleBench | 82% | — |
| SimpleQA Verified | 68% | 45% |
| WebDev Arena | 1654 | 1457 |
| WeirdML | 92% | 78% |
| τ²-bench | 99% | 87% |
| ARC-AGI | — | 94% |
| ARC-AGI-2 | — | 74% |
| FrontierMath | — | 48% |
| FrontierMath Tier 4 | — | 27% |
| GSO (code optimization) | — | 31% |
| METR task horizon | — | 5.7 h |
| SWE-bench Verified | — | 77% |
| Terminal-Bench | — | 82% |
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.
Popular comparisons
- Claude Fable 5 vs GPT-5.6 Sol
- GPT-5.6 Sol vs Kimi K3
- Gemini 3.1 Pro vs GPT-5.6 Sol
- GPT-5.6 Sol vs Grok 4.5
- GPT-5.6 Sol vs Qwen 3.7 Max
- GPT-5.6 Sol vs Muse Spark
- GLM-5.2 vs GPT-5.6 Sol
- Claude Fable 5 vs Kimi K3
- Claude Fable 5 vs Gemini 3.1 Pro
- Claude Fable 5 vs Grok 4.5
- Claude Fable 5 vs Qwen 3.7 Max
- Claude Fable 5 vs Muse Spark
- Claude Fable 5 vs GLM-5.2
- Gemini 3.1 Pro vs Kimi K3
- Grok 4.5 vs Kimi K3
- Kimi K3 vs Qwen 3.7 Max
- Kimi K3 vs Muse Spark
- GLM-5.2 vs Kimi K3
- Gemini 3.1 Pro vs Grok 4.5
- Gemini 3.1 Pro vs Qwen 3.7 Max
- Gemini 3.1 Pro vs Muse Spark
- Gemini 3.1 Pro vs GLM-5.2
- Grok 4.5 vs Qwen 3.7 Max
- Grok 4.5 vs Muse Spark
- GLM-5.2 vs Grok 4.5
- Muse Spark vs Qwen 3.7 Max
- GLM-5.2 vs Qwen 3.7 Max
- GLM-5.2 vs Muse Spark
- Claude Fable 5 vs Claude Opus 5
- Kimi K2 vs Kimi K3
- GLM-5 vs GLM-5.2
- GPT-5.5 vs GPT-5.6 Sol
- Kimi K2.5 vs Kimi K3
- GPT-5 vs GPT-5.6 Sol
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.