Claude Opus 4.8 vs Claude Fable 5
Side-by-side comparison. Updated 2026-06-13.
Verdict
Claude Opus 4.8 wins on higher overall score (9.7 vs 9.6, +0.1).
Both models score equally. Pick based on which strengths align with your workload.
At a Glance
| Attribute | Claude Opus 4.8 | Claude Fable 5 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Tags | Intelligent Reasoning Agentic Multimodal | Agentic Coding Intelligent Reasoning |
| Context | 1,000,000 tokens | 1,000,000 tokens |
| Input price | $15.00/1M | $10.00/1M |
| Output price | $50.00/1M | $50.00/1M |
| Input modalities | Text | Image, Text |
| Output modalities | Text | Text |
Claude Opus 4.8 Strengths
- Best-in-class reasoning depth
- Superior coding ability
- Strong agentic task performance
- Consistent long-running work handling
- 1M token context window
Claude Fable 5 Strengths
- Built for autonomous agentic workflows with native tool use and structured outputs
- 1M-token context window enables long-horizon tasks
- Strong reasoning capabilities with verifiable chain-of-thought
- Multimodal input: text, images, and files
- Competitive pricing at $10/$50 per million tokens