ZCode, OpenCode and Codex: the app, the model and the bill
The coding tools around the models, how access is paid for, and what a stuck ZCode task taught me about where an AI workflow can fail.
Full guide
DeepSeek provides AI models through its chat service and developer API. The API lets coding tools and applications send tasks to a selected DeepSeek model.
API usage billed by model and tokens
I use DeepSeek Pro through ZCode. I have also built a DeepSeek-based tool for batches of drafts, outlines and structured content.
Its API offers separate input and output token pricing, with different rates for cached input and the selected model.
Product source checked 2026-09-08.
AI models and developer API.
Use is subject to the provider’s supported platforms, account requirements and current terms.
Chat access and developer API billing are separate. API calls consume account balance; the cost depends on the selected model, input, output and cache use.
API charges are deducted from the account balance at the rates in the current model pricing table.
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