24-hour access · one-time payment
Ultron
24 hours of unlimited access to all 17 models — including Claude Opus 5.5, Claude Opus 5, Claude Fable 5.1, GPT-6.1 Sol and GPT-6 Astra.
All 17 models · Unlimited tokens
- All 17 models
- 16 parallel sessions
- 24 hours
Secure checkout by Stripe
- Base URL
- https://api.unlimitedai.sh/v1
- Format
- OpenAI + Anthropic compatible
- Access
- 24 hours from activation
- Parallel sessions
- 16
Models included (17)
- DeepSeek V4 Pro1M
deepseek/deepseek-v4-pro-0813
- DeepSeek V4.1 Flash1M
deepseek/deepseek-v4.1-flash
- GPT-6 Luna1M
openai/gpt-6-luna
- Claude Haiku 5.51M
anthropic/claude-haiku-5.5
- Claude Sonnet 51M
anthropic/claude-sonnet-5
- GLM 5.21M
z-ai/glm-5.2
- GLM 5.3 Flash1M
z-ai/glm-5.3-flash
- Kimi K31M
moonshotai/kimi-k3
- GLM 5.31M
z-ai/glm-5.3
- Claude Opus 4.81M
anthropic/claude-opus-4.8
- Qwen3.8-Max1M
qwen/qwen3.8-max
- Claude Sonnet 5.51M
anthropic/claude-sonnet-5.5
- GPT-6.1 Sol1M17 only
openai/gpt-6.1-sol
- Claude Opus 5.517 only
anthropic/claude-opus-5.5
- Claude Opus 517 only
anthropic/claude-opus-5
- Claude Fable 5.117 only
anthropic/claude-fable-5.1
- GPT-6 Astra17 only
openai/gpt-6-astra
Set up your tools
Replace sk-xx with your API key and MODEL_ID with a model ID from the list above. Commands assume the tool is installed. Run one line.
OpenCode
Uses /v1/chat/completions
UAI_API_KEY='sk-xx' OPENCODE_CONFIG_CONTENT='{"provider":{"uai":{"npm":"@ai-sdk/openai-compatible","name":"unlimitedai.sh","options":{"baseURL":"https://api.unlimitedai.sh/v1","apiKey":"{env:UAI_API_KEY}"},"models":{"MODEL_ID":{}}}}}' opencode -m 'uai/MODEL_ID'Claude Code
Uses /v1/messages — base URL without /v1, use a Claude model ID
ANTHROPIC_BASE_URL='https://api.unlimitedai.sh' ANTHROPIC_AUTH_TOKEN='sk-xx' CLAUDE_CODE_DISABLE_NONESSENTIAL_TRAFFIC=1 claude --model 'MODEL_ID'Codex
Uses /v1/responses
UAI_API_KEY='sk-xx' codex -m 'MODEL_ID' -c 'model_provider="uai"' -c 'model_providers.uai={name="unlimitedai.sh",base_url="https://api.unlimitedai.sh/v1",env_key="UAI_API_KEY",wire_api="responses"}'cURL test
Quick check that your key works
curl https://api.unlimitedai.sh/v1/chat/completions -H 'Authorization: Bearer sk-xx' -H 'Content-Type: application/json' -d '{"model":"MODEL_ID","messages":[{"role":"user","content":"hello"}]}'Setup
We recommend ZCode to configure your API and set up tools such as Claude Code, Codex, and more.
Usage policy
Single-user use only. Using the API as a gateway will result in API key revocation.
Support
We provide model access only; setup and usage training are not included. Please keep your messages brief and to the point.