Claude Fable 5.1
Frontier Reasoning, Coding and Agentic Intelligence
Claude Fable 5.1 is Anthropic's frontier Mythos-tier AI model, delivering major capabilities in coding, agentic workflows, enterprise automation, and complex reasoning. Designed for high-performance applications, it combines premium output quality with stronger judgment, enhanced transparency, and long-context understanding through IMAGEGPT's unified API.
Service Highlights
- 99.9% SLA
- Official Discounts
- Pay-as-you-go
- Latest Model
Text API Playground
Test and explore AI text generation APIs
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Endpoint
Headers
Request Body
Code Sample
fetch('https://api.imagegpt.online/generate/text', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
'x-api-key': 'YOUR_API_KEY'
},
body: JSON.stringify({
"model": "OPENAI-GPT-NANO-5.4",
"prompt": "Build a simple Tic Tac Toe game using only HTML, CSS, and JavaScript with two-player turn-by-turn gameplay and a restart button after the game ends.",
"system": "You are a friendly assistant.",
"outputType": "text"
})
})
.then(response => response.json())
.then(data => console.log(data))
.catch(error => console.error('Error:', error));Transparent, Pay-as-You-Go
No subscriptions. No hidden fees. Pay only for what you generate.
* Actual costs are subject to final output. Prices shown in USD.
IMAGEGPT AI Studio prohibits NSFW, sexually explicit, adult, exploitative, deceptive, or harmful AI-generated content. Content moderation is applied to all supported models.
Ready to integrate Claude Fable 5.1?
Get your API key and start generating in minutes. No credit card required for the free tier.
- Free tier available
- API access on all plans
- NSFW content blocked
- 99.9% uptime SLA