TheDrummer: The Drummer Cydonia 24B v4.1
The Drummer Cydonia 24B v4.1 is a language model from TheDrummer released on Sep 27, 2025. It reads text and writes text, with a 131K token context window and up to 118K tokens per reply.
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It costs $0.35 per million input tokens and $0.55 per million output tokens. Cached input bills at $0.16, 54% less than fresh input.
It supports tool calling, structured JSON output and prompt caching, and its weights are open, so you can host it yourself.
3 providers serve it, including Kilo Gateway, NanoGPT and AI/ML API. The lowest input price is $0.30 per million tokens at Kilo Gateway.
- Modalities
- In / out price
- $0.35 / $0.55 per 1M
- Context
- 131K
- Max output
- 118K
- Released
- Sep 27, 2025
- Knowledge cutoff
- Apr 2024
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
The Drummer Cydonia 24B v4.1 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 | $0.35 / 1M tokens | |
|---|---|---|
| Output | $0.55 / 1M tokens | |
| Cached input (read) | $0.16 / 1M tokens | 54% off input |
The Drummer Cydonia 24B v4.1 providers
3 providers serve it, including Kilo Gateway, NanoGPT and AI/ML API. The lowest input price is $0.30 per million tokens at Kilo Gateway. Each host sets its own price and limits, so the cheapest one is not always the one with the longest context.
| Provider | Input /M | Output /M | Cache read /M | Context | Max output |
|---|---|---|---|---|---|
| Kilo Gateway | $0.30 | $0.50 | $0.15 | 131K | 118K |
| NanoGPT | $0.35 | $0.55 | $0.16 | 131K | 118K |
| AI/ML API | $0.4126 | $0.6877 | $0.2063 | 131K | 131K |
What The Drummer Cydonia 24B v4.1 costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call The Drummer Cydonia 24B v4.1 through an OpenAI compatible API.
- Tools
tools - Structured outputs
structured_outputs - Temperature
temperature
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The Drummer Cydonia 24B v4.1 questions
How much does the The Drummer Cydonia 24B v4.1 API cost?
$0.35 per million input tokens and $0.55 per million output tokens, with cached input at $0.16. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of The Drummer Cydonia 24B v4.1?
131,072 tokens of input, and it can write up to 117,964 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve The Drummer Cydonia 24B v4.1?
3 providers serve it, including Kilo Gateway, NanoGPT and AI/ML API. The lowest input price is $0.30 per million tokens at Kilo Gateway. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does The Drummer Cydonia 24B v4.1 support tool calling?
Yes. It accepts tool definitions and can return JSON that matches a schema, which is what an agent needs to call your APIs.
Is The Drummer Cydonia 24B v4.1 open source?
Its weights are published, so you can run it on your own hardware or a cloud of your choice. Read the license before commercial use.
When was The Drummer Cydonia 24B v4.1 released?
Sep 27, 2025, with training data up to Apr 2024.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.