AI, in your hands
Your models.
One workspace.
Move from a conversation to an API call to an agent run. Aptum brings your AI tools together, with a balance you fund onchain.
Built on Robinhood Chain · USDG deposits · Pay as you go
A clear place to think.
Chat. Build. Automate.
Model API
One key. Published usage prices.
Agent runs
Instructions, tools and a spend cap.
Usage & billing
See what each request costs.
01
Choose your model
Browse the catalog and compare input and output prices.
02
Fund your balance
Deposit USDG from your linked wallet on Robinhood Chain.
03
Make it work
Start a chat, create an API key or run an agent.
The model catalog
Find the right model for the job.
Compare available models and their published usage prices.
| Model | Input / 1M tokens | Output / 1M tokens |
|---|---|---|
cb/claude-opus-4.6 | $0.7275 | $3.64 |
cb/claude-opus-4.7-1m | $0.75 | $3.75 |
cb/claude-opus-5 | $0.7275 | $3.64 |
cc/claude-fable-5 | $6.75 | $33.75 |
cc/claude-fable-5-1 | $6.75 | $33.75 |
Catalog updated Tue, 06 Oct 2026 05:38:17 GMT.
For builders
Your next API call starts here.
Use OpenAI-compatible chat and Anthropic-compatible messages with supported models. Create scoped keys and set limits from your workspace.
Read the quickstart ↗curl https://aptumai.xyz/v1/chat/completions \
-H "Authorization: Bearer $APTUM_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "cb/claude-opus-4.6",
"messages": [
{"role": "user", "content": "Help me build."}
]
}'$APTM utility
More room to build. 25% less cost.
When APTM deposits open, $7.50 in token value adds $10 in AI service credit. Your credit stays denominated in USD after confirmation.
Coming soon. The official contract and deposit availability will appear here.