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After signing in, we auto-mint a key tied to your account. Use it as the Bearer token for our OpenAI-compatible API at /api/chat.
Sign in to reveal your key
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55 models across 12 providers — all with transparent per-token pricing. The marquee animation you see here is rebuilt entirely in code: 4,440 measured halftone dots, motion-captured pixel sprites, zero image assets.
Anthropic's most capable model — for ambitious, long-running, asynchronous work. Best for deep research, complex codebases, and large-context reasoning.
OpenAI's frontier model — best for complex professional work, deep reasoning, and coding. Available in Standard and Pro effort modes.
New dedicated generation tab with 26 image models and 25 video models. Canvas dot animation plays while generating, with smooth reveal transition. Download any result instantly.
https://unlimited-ai.pages.dev/api
Generate an API key in Settings. Include it via:
Authorization: Bearer YOUR_API_KEY
POST /api/chat
Content-Type: application/json
Authorization: Bearer YOUR_KEY
{
"model": "auto",
"messages": [{"role": "user", "content": "Hello"}],
"stream": true
}
POST Streams SSE responses. Compatible with OpenAI SDKs.
GET /api/health
Returns { ok: true, apiKeys, resend, abacus } status.
POST /api/auth/send-code
{"email": "user@example.com"}
POST /api/auth/verify-code
{"email": "user@example.com", "code": "123456"}
Returns { token, user }.
GET /api/models
POST /api/chat {"model": "claude-fable-5", ...}
Available models: auto (SMR), claude-fable-5, claude-opus-4.8, gpt-5.6-sol, gpt-5.5, gemini-3.1-pro, grok-4.5, deepseek-v4-pro, kimi-k2.7, glm-5.2, qwen-3.7-max, and 40+ more.
from openai import OpenAI
client = OpenAI(base_url="https://unlimited-ai.pages.dev/api", api_key="YOUR_KEY")
stream = client.chat.completions.create(model="auto", messages=[{"role":"user","content":"Hi"}], stream=True)
for chunk in stream: print(chunk.choices[0].delta.content or "", end="")
import OpenAI from 'openai';
const client = new OpenAI({ baseURL: 'https://unlimited-ai.pages.dev/api', apiKey: 'YOUR_KEY' });
import anthropic client = anthropic.Anthropic(base_url="https://unlimited-ai.pages.dev", api_key="YOUR_KEY")
Signed-in users get 100 credits/day. Premium models cost 5, high cost 4, medium cost 2, standard cost 1, unlimited models cost 0. Unused credits do not roll over. Rate limits are enforced per-account.
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