mixtral-8x22b-instruct
Mixtral 8x22B Instruct is Mistral’s official instruction-tuned Mixtral 8x22B, a mixture-of-experts model that activates 39B of its 141B parameters for strong cost efficiency, with strengths in math and coding.
Pricing: Input 480 credits / 1M tokens (≈ $2.40), Output 1440 credits / 1M tokens (≈ $7.20).
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Mixtral 8x22B Instruct API on ModelFold
Mixtral 8x22B Instruct is Mistral’s official instruction-tuned Mixtral 8x22B, a mixture-of-experts model that activates 39B of its 141B parameters for strong cost efficiency, with strengths in math and coding. Try Mixtral 8x22B Instruct in the ModelFold Playground, then call it from your own code through an OpenAI-compatible chat completions API.
What Is the Mixtral 8x22B Instruct API
Mixtral 8x22B Instruct at a glance
Mixtral 8x22B Instruct is a chat model from Mistral AI. It accepts text and files (such as PDF) as input and returns text, with a context window of up to 66K tokens.
Use it without hosting anything
On ModelFold you call Mixtral 8x22B Instruct with a single API key — no model weights to download and no inference servers to run. The same key also works for the other chat, image, video and audio models on ModelFold.
Core Capabilities of Mixtral 8x22B Instruct
Up to 66K tokens of context
Keep long conversations, large documents and sizeable code in a single request, so the model can reason over the full material instead of fragments.
Understands files (such as PDF)
Besides text, Mixtral 8x22B Instruct accepts files (such as PDF) as input, so a single request can combine instructions with visual or other media.
Function calling
Mixtral 8x22B Instruct supports tool (function) calling: describe your functions in the request and the model returns structured calls your code can run — the basis for agents and integrations.
Structured outputs
Ask for JSON that follows a schema (response_format), which makes extraction, classification and system integrations more reliable.
How to Use Mixtral 8x22B Instruct on ModelFold
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Step 1: Try it in the Playground
Open the Playground at the top of this page, type a prompt and see how Mixtral 8x22B Instruct responds before writing any code.
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Step 2: Create an API key
Sign in to ModelFold and create an API key in the console. Keep it secret and send it as a Bearer token.
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Step 3: Send a request
Call POST https://modelfold.ai/v1/chat/completions with "model": "mixtral-8x22b-instruct" and your messages. Existing OpenAI-compatible SDKs work by changing the base URL and key.
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Step 4: Ship and monitor
Integrate the response into your product and check token usage and spend for every call in the console logs.
What You Can Build with Mixtral 8x22B Instruct
High-volume pipelines
Run classification, extraction, rewriting and batch jobs at scale where cost per request matters.
AI coding assistants
Generate, explain, debug and refactor code, review pull requests and work through multi-file changes in developer tools and IDE plugins.
Analysis and complex reasoning
Work through research questions, data interpretation, planning and other problems that need careful step-by-step reasoning.
Multilingual products
Serve users in many languages with translation, localized support replies and cross-language search.
Frequently Asked Questions
What is Mixtral 8x22B Instruct?⌄
Mixtral 8x22B Instruct is Mistral’s official instruction-tuned Mixtral 8x22B, a mixture-of-experts model that activates 39B of its 141B parameters for strong cost efficiency, with strengths in math and coding.
Which inputs does Mixtral 8x22B Instruct support?⌄
Mixtral 8x22B Instruct accepts text and files (such as PDF) and returns text. Through ModelFold you send text messages; documents attached in the Playground are converted to text.
How long is the context window of Mixtral 8x22B Instruct?⌄
Up to 66K tokens, shared between your input and the model’s output.
Does Mixtral 8x22B Instruct support function calling?⌄
Yes. Mixtral 8x22B Instruct supports tools / function calling through the standard tools parameter of the chat completions API.
How is Mixtral 8x22B Instruct billed on ModelFold?⌄
Pay as you go by tokens: input and output tokens are charged at the per-million-token prices shown on this page. There is no monthly fee, and failed requests are not charged.
How do I call Mixtral 8x22B Instruct through the API?⌄
Send a POST request to https://modelfold.ai/v1/chat/completions with "model": "mixtral-8x22b-instruct", using your ModelFold API key as the Bearer token.
| Input | 480 credits 1M tokens≈ $2.40 |
| Output | 1440 credits 1M tokens≈ $7.20 |
Billed per token: input and output are priced separately, and thinking tokens count as output. The Playground charges exactly the same way.
Read API docs →AI Agents · Claude Code / Cursor / Trae →curl https://modelfold.ai/v1/chat/completions \
-H "Authorization: Bearer $MODELFOLD_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"mixtral-8x22b-instruct","messages":[{"role":"user","content":"Hello"}]}'