Claude Fable 5: Benchmarks, Pricing & Context Window
Claude Fable 5 is a language model from Anthropic, released in June 2026, with multimodal input, a 1M-token context window, and pricing from $10.00/M input, $1.00/M cached input, $50.00/M output.
Claude Fable 5 is Anthropic's generally available deployment of the same underlying weights as the restricted Claude Mythos 5 model. Anthropic positions the model as a new capability tier above Opus: Mythos 5 is the unsafeguarded
Claude Fable 5 benchmarks
Capability tiers
Standing within each category, adjusted for leaderboard depth.
Real tasks performance
High-confidence performance for Claude Fable 5 across real-world prompt categories. Only 95% intervals at most 4 points wide are shown.
Performance by conversation depth
How Claude Fable 5 holds up as conversations get longer.
Quality Tracker
Claude Fable 5 Performance Across Datasets
Scores sourced from the model's scorecard, paper, or official blog posts
llm-stats.com - Fri Oct 23 2026Claude Fable 5 pricing
Providers
Claude Fable 5 starts at $10.00 per million input tokens and $50.00 per million output tokens via Anthropic. Reused prompt prefixes cost $1.00 per million cached input tokens. See all 2 providers below with their per-token pricing, latency, throughput, and modality support.
| Provider | Input $/M | Cached input $/M | Output $/M | Context in / out | TTFT p95 s | Output p5 c/s | Modalities in / out |
|---|---|---|---|---|---|---|---|
 Anthropic | $10.00 | $1.00 | $50.00 | 1.0M/128.0K | — | — | / |
 DeepInfra | $10.00 | — | $50.00 | 1.0M/1.0M | — | — | / |
Cached input is the discounted price for prompt tokens served from a provider cache. TTFT is time to first token. Output is characters per second; p5 is the sustained floor exceeded by 95% of observed requests.
Claude Fable 5 context window
Input and output token limits for Claude Fable 5, plus how it ranks on long-context understanding.
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Claude Fable 5 latency
Claude Fable 5 time to first token, sustained output throughput, and failed-request rate from live model usage over the trailing 7 days.
Claude Fable 5 examples
Recent arena outputs from Claude Fable 5, picked from the highest-ranked matchups.
Claude Fable 5 license
Claude Fable 5 is a proprietary model available under its provider's product and API terms.
- License
- Proprietary
- Hosted access
Proprietary license - usage restrictions apply
Claude Fable 5 resources
Official sources for Claude Fable 5: provider documentation, official playground, paper or system card, official launch post.
Claude Fable 5 vs other models
The most-compared alternatives to Claude Fable 5 are Claude Mythos Preview, Ember-1, Claude Opus 5.5. Open any pair side-by-side for benchmarks, pricing, context, and latency.
Models like Claude Fable 5
Models ranked just above and below Claude Fable 5 by LLM Stats score.
FAQ
Common questions about Claude Fable 5.