Capriole AI: USD 9 unlimited AI chat and low-cost API
Unlimited chat with GPT-6 Astra, Claude Fable 5.1, Claude Opus 5.5, and Gemini 4 Argon for USD 9 a month, plus 5M monthly API tokens.
Capriole AI is for people who want GPT-6 Astra, Claude Fable 5.1, Claude Opus 5.5, and Gemini 4 Argon without paying for several subscriptions, and for developers and coding-agent users who want one API key for all of them. One USD 9 Premium membership includes unlimited web chat and 5M API tokens each month. Chat and the API share one account but are counted separately, so chatting never uses the tokens your apps and coding agents run on.
Start chatting
Try it without an account. No card needed.
Get an API key
One key for your apps and coding agents.
Capriole AI is made by Capriole Investments, whose market-data platform Capriole Quant (formerly Capriole Charts) and investment fund are separate from Capriole AI. Active Capriole Quant subscribers receive complimentary Capriole AI access.
At a glance
Capriole AI
Premium
USD 9 a month for unlimited web chat on every supported model, plus 5M API tokens a month
Fair use
200 signed-in web chat messages per account per UTC day. The limit stops scripted abuse, and normal use stays well below it. What unlimited means
Free and guests
Guests try web chat without an account, 5 messages a day. A free account gets 500,000 tokens of web chat a month, without API access
Team
USD 70 a month for 5 seats, unlimited web chat for each member, and 50M shared API tokens a month. Team plan
Flagship models
GPT-6 Astra (OpenAI), Claude Fable 5.1 and Claude Opus 5.5 (Anthropic), Gemini 4 Argon (Google)
API
Base URL https://api.caprioletech.com, compatible with OpenAI Chat Completions, OpenAI Responses, and Anthropic Messages
At a 3:1 input/output mix, 5M tokens on GPT-6 Astra or Claude Fable 5.1 cost USD 100 at official API rates. A new USD 9 Premium subscription includes that usage (91% less), and an active personal member pays USD 8 for a 5M top-up (92% less). See Claude API pricing and OpenAI API pricing
Unlimited chat for USD 9
Unlimited also covers the Thinking presets, and you can switch models in the same chat when another one suits the next question better. Compare plans and limits or choose a model.
API top-ups up to 92% below official prices
Top-ups cost USD 8 per 5M tokens of any supported model, with up to 15% off when you buy several packs at once.
The same key runs 10 documented coding agents, including Codex, Claude Code, GitHub Copilot CLI, and OpenCode. See one API key for coding agents.
Use an alias to stay on the recommended flagship as it changes, or a concrete model ID when tests, audits, or reproducible runs need one exact version.
Signed-in Free, Premium, and Team accounts using Server Storage can create images for free with GPT Image 2.6 and Nano Banana 2.1 in web chat. Files, web search, projects, chat export, and privacy and storage controls are built into the workspace. See the image generation guide.
Last modified on November 10, 2026
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