AnthropicReleased on Jun 9, 2026

Claude Fable 5: API Pricing, Context Window & Benchmarks

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 and $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

Input
TextImage
Output
Text

Claude Fable 5 benchmarks

Rankings

Quality Tracker

Claude Fable 5 Performance Across Datasets

Scores sourced from the model's scorecard, paper, or official blog posts

LLM Stats Logollm-stats.com - Fri Jul 24 2026
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Claude Fable 5 pricing

Providers

Claude Fable 5 starts at $10.00 per million input tokens and $50.00 per million output tokens via Anthropic.

ProviderInput $/MOutput $/MContext in / outTTFT p50 / p95 sOutput avg / p5 c/sSuccess 7dModalities in / out
Anthropic logoAnthropic
$10.00$50.001.0M/128.0K
6.25/102.88
88/2
98.75%(721)
/

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. Success is calculated from completed versus failed requests over the trailing seven days.

Claude Fable 5 context window

Input and output token limits for Claude Fable 5, plus how it ranks on long-context understanding.

InputOutput
1Mtokens
128Ktokens
1.5k pages of text
1M
8K128K1M

Claude Fable 5 API

POST/v1/chat/completions

Run a request to see the response

Use it in your code

Billed at $10.00 input / $50.00 output per 1M tokens through the LLM Stats gateway.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://gateway.llm-stats.com/v1"
)

response = client.chat.completions.create(
    model="claude-fable-5",
    messages=[
        {"role": "user", "content": "What is machine learning?"}
    ]
)

print(response.choices[0].message.content)

Need an API key? Create one above in the playground, or read the API documentation.

Claude Fable 5 latency

Claude Fable 5 time to first token, sustained output throughput, and failed-request rate from live API traffic over the trailing 7 days.

Provider operational metrics

Time to first token, output throughput, and failed-request rate from live API traffic

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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: api 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, Claude Opus 4.8, Muse Spark 1.1. 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.

 

Claude Mythos Preview

Score pending
 

Claude Opus 4.8

Score pending
 

Muse Spark 1.1

Score pending
 

Kimi K3

Score pending
 

GPT-5.6 Sol

Score pending
 

Muse Spark

Score pending

FAQ

Common questions about Claude Fable 5.

When was Claude Fable 5 released?

Claude Fable 5 was released on June 9, 2026 by Anthropic. This is the official Claude Fable 5 release date tracked on LLM Stats.

How much does Claude Fable 5 cost?

Claude Fable 5 costs $10.00 per million input tokens and $50.00 per million output tokens through the LLM Stats API, which works with any OpenAI-compatible SDK. Across tracked providers, the lowest price is $10.00 per million input tokens via Anthropic.

Is Claude Fable 5 available via API?

Yes. Claude Fable 5 is available through the LLM Stats API and works with any OpenAI-compatible SDK — point your client at the gateway base URL and pass the model name. It is served by 1 provider tracked on LLM Stats.

Who created Claude Fable 5?

Claude Fable 5 was created by Anthropic.

What is the license for Claude Fable 5?

Claude Fable 5 is released under the Proprietary license.

Is Claude Fable 5 multimodal?

Yes, Claude Fable 5 is multimodal and can accept both text and images as input.

What is Claude Fable 5 latency?

Claude Fable 5 p95 time to first token is 102.88 seconds via Anthropic over the trailing 7 days. Lower time to first token means the model begins responding sooner for chat, agents and API workloads.

Where can I use Claude Fable 5?

Claude Fable 5 is available through 1 provider including Anthropic.

Where is the Claude Fable 5 paper or technical report?

Claude Fable 5 has a paper or technical report available at https://www-cdn.anthropic.com/d00db56fa754a1b115b6dd7cb2e3c342ee809620.pdf. Use that source for architecture, training, release and evaluation details.

What models should I compare Claude Fable 5 against?

Common Claude Fable 5 comparisons include Claude Fable 5 vs Claude Mythos Preview, Claude Fable 5 vs Claude Opus 4.8, Claude Fable 5 vs Muse Spark 1.1. Compare them side by side for benchmark scores, pricing, context window, latency and API availability.