Baidu: CoBuddy
CoBuddy is a reasoning model from Baidu released on May 6, 2026. It reads text and writes text, with a 131K token context window and up to 66K tokens per reply.
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It costs $0.28 per million input tokens and $1.13 per million output tokens. Cached input bills at $0.07, 75% less than fresh input.
It supports tool calling and prompt caching.
- Modalities
- In / out price
- $0.28 / $1.13 per 1M
- Context
- 131K
- Max output
- 66K
- Released
- May 6, 2026
- Knowledge cutoff
- n/a
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
CoBuddy pricing
USD, as listed on Oct 15, 2026. Most bills are input heavy, so the cached input rate matters as much as the headline price.
| Input | $0.28 / 1M tokens | |
|---|---|---|
| Output | $1.13 / 1M tokens | |
| Cached input (read) | $0.07 / 1M tokens | 75% off input |
What CoBuddy costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call CoBuddy through an OpenAI compatible API.
- Tools
tools - Reasoning
reasoning - Temperature
temperature
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CoBuddy questions
How much does the CoBuddy API cost?
$0.28 per million input tokens and $1.13 per million output tokens, with cached input at $0.07. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of CoBuddy?
131,072 tokens of input, and it can write up to 65,536 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Does CoBuddy support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is CoBuddy open source?
No. Baidu serves it through an API only, so you cannot download the weights or host it yourself.
When was CoBuddy released?
May 6, 2026.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.