Swiss AI: Apertus 70B Instruct
Apertus 70B Instruct is a language model from Swiss AI released on Sep 2, 2025. It reads text and writes text, with a 66K token context window and up to 8K tokens per reply.
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It costs $0.82 per million input tokens and $2.92 per million output tokens.
It supports tool calling, and its weights are open, so you can host it yourself.
3 providers serve it, including Regolo AI, LLMTR and Cortecs. The lowest input price is $0.46 per million tokens at Regolo AI.
- Modalities
- In / out price
- $0.82 / $2.92 per 1M
- Context
- 66K
- Max output
- 8K
- Released
- Sep 2, 2025
- Knowledge cutoff
- Sep 2025
- Tool calling
- Structured output
- Reasoning
- Prompt caching
- Open weights
- Free to use
Apertus 70B Instruct 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 | $0.82 / 1M tokens | |
|---|---|---|
| Output | $2.92 / 1M tokens |
Apertus 70B Instruct providers
3 providers serve it, including Regolo AI, LLMTR and Cortecs. The lowest input price is $0.46 per million tokens at Regolo AI. 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 |
|---|---|---|---|---|---|
| Regolo AI | $0.46 | $2.42 | – | 30K | 30K |
| LLMTR | $0.82 | $2.92 | – | 66K | 8K |
| Cortecs | $1.39 | $2.23 | – | 66K | 16K |
What Apertus 70B Instruct costs per month
Pick a workload close to yours or type your own volumes.
Supported request parameters
What you can set when you call Apertus 70B Instruct through an OpenAI compatible API.
- Tools
tools - Temperature
temperature
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Apertus 70B Instruct questions
How much does the Apertus 70B Instruct API cost?
$0.82 per million input tokens and $2.92 per million output tokens. The estimator on this page turns that into a monthly bill for your own workload.
What is the context window of Apertus 70B Instruct?
65,536 tokens of input, and it can write up to 8,192 tokens in one reply. As a rough guide, a million tokens is around 750,000 English words.
Which providers serve Apertus 70B Instruct?
3 providers serve it, including Regolo AI, LLMTR and Cortecs. The lowest input price is $0.46 per million tokens at Regolo AI. Prices differ by host, so the Providers table on this page lists each one with its input and output price.
Does Apertus 70B Instruct support tool calling?
Yes. It accepts tool definitions, which is what an agent needs to call your APIs.
Is Apertus 70B Instruct 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 Apertus 70B Instruct released?
Sep 2, 2025, with training data up to Sep 2025.
Catalog data from models.dev (MIT licensed), refreshed daily, last on Oct 15, 2026. The summary is written from these facts.