anthropic
Claude Fable 5 vs Claude Opus 5.5
83.2 overall · $8.00 / 1M
// anthropic
Claude Fable 5
anthropic/claude-fable-5
reasoningtool callingimage inputfile inputprompt caching
Claude Fable 5 costs $10.00 per 1M input tokens and $50.00 per 1M output tokens with a 1M-token context window.
A reasoning, tool-calling model from anthropic, released Jun 9, 2026. On LiveBench it scores 83.0 overall — #3 of 55 benchmarked models — and ranks highest in language (#1).
- Input / 1M
- $10.00
- Output / 1M
- $50.00
- Context
- 1M
- LiveBench overall
- 83.0 · #3
Specs and pricing
| Input price USD per 1M prompt tokens | $10.00 |
|---|---|
| Output price USD per 1M completion tokens, reasoning included | $50.00 |
| Blended price 3:1 input:output — #10 most expensive of 343 listed models | $20.00 |
| Cached input read Blank means not priced separately — not free | $1.00 |
| Cache write | $12.50 |
| Context window | 1,000,000 tokens |
| Max output | 128,000 tokens |
| Input modalities | text, image, file |
| Tool calling | Yes |
| Extended reasoning | Yes |
| Knowledge cutoff | — |
| Listed | Jun 9, 2026 |
Also listed as anthropic/claude-fable-5:batch ($10.00 blended)— the same model at a different price or rate limit.
Benchmarks by category
LiveBench scores out of 100, with Claude Fable 5's rank among the 55 benchmarked models listed here. Run: claude-fable-5-max-effort.
Language#1 of 55
90.7
$0.2459 measured per point
What Claude Fable 5 costs to run
Monthly list cost across five workload shapes, using the published cached-input rate where there is one. A floor, not a quote — batch discounts and cache writes aren't included.
| Workload | Per month |
|---|---|
| Support chatbot 1.2K in / 400 out × 200K requests | $5,752/mo |
| RAG assistant 8K in / 600 out × 100K requests | $7,400/mo |
| Coding agent 40K in / 4K out × 20K requests | $6,960/mo |
| Document extraction 20K in / 1.5K out × 50K requests | $13,300/mo |
| Bulk classification 500 in / 20 out × 5M requests | $25,500/mo |
Compare Claude Fable 5 with
The benchmarked models closest to it on overall score.
anthropic
Claude Fable 5 vs Claude Fable 5.1
83.4 overall · $20.00 / 1M
openai
Claude Fable 5 vs GPT-6 Astra
82.2 overall · $20.00 / 1M
meta
Claude Fable 5 vs Muse Spark 1.3
81.6 overall · $2.00 / 1M
deepseek
Claude Fable 5 vs DeepSeek V4.1 Flash
81.1 overall · $0.200 / 1M
openai
Claude Fable 5 vs GPT-5.6 Sol
81.1 overall · $4.00 / 1M
Claude Fable 5 FAQ
How much does Claude Fable 5 cost?
Claude Fable 5 lists at $10.00 per 1M input tokens and $50.00 per 1M output tokens, with cached input reads at $1.00 per 1M. A RAG assistant handling 100K requests a month (8K tokens in, 600 out) comes to about $7,400 at list price.
What is the context window of Claude Fable 5?
Claude Fable 5 accepts up to 1,000,000 tokens of context and can return up to 128,000 output tokens per response.
Does Claude Fable 5 support tool calling?
Yes — Claude Fable 5 supports tool (function) calling and exposes extended reasoning. It accepts text, image, file input.
How does Claude Fable 5 score on benchmarks?
On LiveBench release 2026-06-25 (run: claude-fable-5-max-effort), Claude Fable 5 scores 83.0 overall, ranking #3 of 55 benchmarked models.
What is the API model ID for Claude Fable 5?
On OpenRouter the model ID is "anthropic/claude-fable-5". It was listed on Jun 9, 2026.
More from anthropic
How these numbers are produced
- Price and specs — provider list data from OpenRouter, refreshed every 15 minutes. “Blended” is a 3:1 input:output mix.
- Scores and ranks — LiveBench release 2026-06-25. Ranks count only models that have a published run; a blank means “not evaluated”, never “bad”.
- Cost per point — the measured dollars LiveBench spent on the run, divided by the score it earned.
Published benchmarks rank models on someone else's tasks. Before committing, see LLM & agent evaluation for building an eval on your own.