Claude Fable Latest vs Claude Haiku 4.5
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Fable Latest and Claude Haiku 4.5.
Claude Fable Latest
This model always redirects to the latest model in the Claude Fable family.
Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
Technical Specifications
| Specification | Claude Fable Latest | Claude Haiku 4.5 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Agent Suitability | N/A | 87/100 |
| Time to First Token (TTFT) | N/A | 180 ms |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-06-09 | 2025-10-15 |
API Pricing Comparison
Input Price per Million Tokens
Claude Fable Latest
$10.00
Claude Haiku 4.5
$1.00
Output Price per Million Tokens
Claude Fable Latest
$50.00
Claude Haiku 4.5
$5.00
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude Fable Latest Quirks & Gotchas
No developer gotchas reported.
Claude Haiku 4.5 Quirks & Gotchas
- ▸Fastest TTFT in the Claude lineup — ideal for real-time chat
- ▸Tool calling limited compared to Sonnet — best for simple classification and routing