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Claude Fable 5 API Pricing & Quick Start

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

Intelligence#3 / 573
60
Artificial Analysis Intelligence Index
Speed#130 / 586
58.3
Output tokens per second (median)
Input Price#574 / 586
$10.00NT$ 324
USD / 1M tokens
Output Price#575 / 586
$50.00NT$ 1619
USD / 1M tokens
First-token latency#580 / 586
52.46s
Time to first token (AA median)
ProviderAnthropic
ReleasedJune 2026
Model IDanthropic/claude-fable-5

Technical specifications

Context window
1M tokens
Reasoning
Yes
Input
TextImageFile
Output
Text

Pricing comparison

BazaarLink retail price alongside AA's observed market standard.

BazaarLink price our site

Input$10.00NT$ 324
Output$50.00NT$ 1619
Cache read$1.00NT$ 32
Cache write$12.50NT$ 405
3:1 blended (est.)$20.00NT$ 648
All prices per 1M tokens. Supports TWD credit card / official invoice.

Market reference Artificial Analysis

Input$10.00
Output$50.00
Cache readAA not tracked
Cache writeAA not tracked
3:1 blended$20.00
✓ Matches market reference — BazaarLink does not mark up.
Source: artificialanalysis.ai

Independent benchmarks

Scores below come from Artificial Analysis, an independent third party. BazaarLink does not participate in the testing.

Intelligence 60
Coding 77
Math
MMLU
GPQA 93
This modelCategory leader
Coding ability
#7out of 198 models
LiveCodeBench / SciCode and similar
Overall intelligence
🥉
#3out of 573 models
Aggregated across academic benchmarks
Time to first token
#580out of 586 models
AA 全球 p50:52.46 秒
Intelligence
60
Top 1%
This model
60
Category leader
61
Median
15
Coding
77
Top 4%
This model
77
Category leader
78
Median
37
GPQA
93%
This model
93%
Category leader
94%
Median
69%
HLE
53%
This model
53%
Category leader
53%
Median
7%
SciCode
60%
This model
60%
Category leader
60%
Median
33%
IFBench
63%
This model
63%
Category leader
83%
Median
44%
τ²-Bench Telecom
99%
This model
99%
Category leader
99%
Median
46%
AA-LCR
70%
This model
70%
Category leader
76%
Median
40%
Terminal-Bench Hard
63%
This model
63%
Category leader
66%
Median
14%

Top 5 — CodingCoding Index leaderboard

1GPT-5.6 Sol (xhigh)openai/gpt-5-6-sol-xhigh78$5 / $30
4GPT-5.6 Sol (high)openai/gpt-5-6-sol-high77$5 / $30
5Claude Opus 5 (Adaptive Reasoning, Xhigh Effort)anthropic/claude-opus-5-xhigh77$5 / $25
AASource: Artificial Analysis · Independent third-party evaluation; not influenced by BazaarLinkView full evaluation on AA →

Quick Start

Use Claude Fable 5 via BazaarLink API — just change the base_url:

Python
from openai import OpenAI

client = OpenAI(
    base_url="https://bazaarlink.ai/api/v1",
    api_key="sk-bl-YOUR_API_KEY",
)

response = client.chat.completions.create(
    model="anthropic/claude-fable-5",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)
TypeScript
import OpenAI from "openai";

const client = new OpenAI({
  baseURL: "https://bazaarlink.ai/api/v1",
  apiKey: "sk-bl-YOUR_API_KEY",
});

const response = await client.chat.completions.create({
  model: "anthropic/claude-fable-5",
  messages: [{ role: "user", content: "Hello!" }],
});
console.log(response.choices[0].message.content);

Why use Claude Fable 5 via BazaarLink?

  • USD billing (TWD-quoted) + unified invoices — no foreign credit card needed for Taiwan teams
  • OpenAI-compatible API — zero code changes required
  • Automatic failover — multi-provider redundancy for the same model
  • Chinese-language support — local team, instant help
Try Now← All Models

Frequently Asked Questions

What is Claude Fable 5?

Claude Fable 5 is a Mythos-class model from Anthropic, built for autonomous knowledge work and coding. It supports text, image, and file inputs with text output, with reasoning support and...

How much does the Claude Fable 5 API cost?

Claude Fable 5 costs $10.0000 per 1M input tokens and $50.0000 per 1M output tokens when accessed through BazaarLink.

How do I use Claude Fable 5 with the OpenAI SDK?

Set base_url to "https://bazaarlink.ai/api/v1" and use model ID "anthropic/claude-fable-5". All OpenAI SDK methods (chat.completions, embeddings, streaming) work without code changes.

What is the context window for Claude Fable 5?

Claude Fable 5 supports a context window of 1,000,000 tokens.

Is Claude Fable 5 available for free?

Claude Fable 5 is a paid model. BazaarLink offers free trial credits on registration so you can test it without a credit card.

Relay integrity checks

Tested endpoints
922 runs
Independent hosts
428
Model-family fingerprint match
88%
Anomalies detected
471 runs
Data range
past 90 days

BazaarLink Probe verifies endpoints that claim to serve this model and flags behavior that differs from the reference baseline.

View the full integrity report →

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ModelsAPI documentationAPI latency probe
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