Side-by-side pricing, context window, and capabilities — try both on ChatLima.
Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...
Image and document understanding
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Image and document understanding
| Feature | Anthropic: Claude Fable 5 | SpaceXAI: Grok 4.5 |
|---|---|---|
| Provider | OpenRouter | OpenRouter |
| Context Length | 1,000,000 tokens | 500,000 tokens |
| Input Price | $10.00/M | $2.00/M |
| Output Price | $50.00/M | $6.00/M |
| Vision Support | Yes | Yes |
| Higher cost | Yes | Yes |
| Capabilities | TextVision | TextVision |