Claude Fable Latest vs Claude Opus 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 Opus 4.5.
Claude Fable Latest
This model always redirects to the latest model in the Claude Fable family.
Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
Technical Specifications
| Specification | Claude Fable Latest | Claude Opus 4.5 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Agent Suitability | N/A | 93/100 |
| Time to First Token (TTFT) | N/A | 550 ms |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-06-09 | 2025-11-24 |
API Pricing Comparison
Input Price per Million Tokens
Claude Fable Latest
$10.00
Claude Opus 4.5
$5.00
Output Price per Million Tokens
Claude Fable Latest
$50.00
Claude Opus 4.5
$25.00
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 Opus 4.5 Quirks & Gotchas
- ▸Deep analytical reasoning — best for structured problem-solving
- ▸200K context is limiting compared to 1M of Opus 4.6+ — upgrade for long-document tasks