Allen AI: Olmo 3 7B Instruct

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OLMo 3 7B Instruct is a lightweight, fully open instruction-tuned chat model from the Allen Institute for AI (AI2), designed for instruction-following, question-answering, and multi-turn conversational dialogue.

Among 7B-scale models, it is competitive with Qwen 2.5 and Gemma 3 equivalents, and represents a clear step up from Llama 3.1 8B in instruction-following quality. It supports a 66K token context window with a knowledge cutoff of December 2024.

Released under a fully open license with complete training weights and data publicly available, it's well-suited for cost-efficient API usage where a capable small model is preferred.

Context Window N/A

tokens

Max Output 66K

tokens

Input Cost $0.1

per million tokens

Output Cost $0.2

per million tokens

Release Date Nov 19, 2025

 

Code Example

Add AI to your app with the Puter.js AI API — no API keys or setup required.

// npm install @heyputer/puter.js
import { puter } from '@heyputer/puter.js';

puter.ai.chat("Explain quantum computing in simple terms").then(response => {
    document.body.innerHTML = response.message.content;
});

<html>
<body>
    <script src="https://js.puter.com/v2/"></script>
    <script>
        puter.ai.chat("Explain quantum computing in simple terms").then(response => {
            document.body.innerHTML = response.message.content;
        });
    </script>
</body>
</html>

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Olmo 3 32B Think

OLMo 3 32B Think is a fully open reasoning model from the Allen Institute for AI (AI2), and the first fully open 32B thinking model to expose intermediate chain-of-thought reasoning traces. Trained on multi-step math, code, and general problem-solving tasks using a thinking SFT, DPO, and RLVR training flow, it is the strongest fully open reasoning model at the 32B scale — narrowing the gap to open-weight models like Qwen 3-32B-Think while trained on 6x fewer tokens. All training data, code, weights, and checkpoints are publicly available under Apache 2.0. Best suited for complex multi-step reasoning and mathematical problem solving via API.

Frequently Asked Questions

How do I use Olmo 3 7B Instruct?

You can access Olmo 3 7B Instruct by Allen AI through Puter.js AI API. Include the library in your web app or Node.js project and start making calls with just a few lines of JavaScript — no backend and no configuration required. You can also use it with Python or cURL via Puter's OpenAI-compatible API.

Is Olmo 3 7B Instruct free?

Yes, it is free if you're using it through Puter.js. With the User-Pays Model, you can add Olmo 3 7B Instruct to your app at no cost — your users pay for their own AI usage directly, making it completely free for you as a developer.

What is the pricing for Olmo 3 7B Instruct?
Olmo 3 7B Instruct costs $0.1 per 1M input tokens and $0.2 per 1M output tokens.
Price per 1M tokens
Input$0.1
Output$0.2
Who created Olmo 3 7B Instruct?

Olmo 3 7B Instruct was created by Allen AI and released on Nov 19, 2025.

What is the max output length of Olmo 3 7B Instruct?

Olmo 3 7B Instruct can generate up to 66K tokens in a single response.

How does Olmo 3 7B Instruct perform on benchmarks?

Olmo 3 7B Instruct scores 8.1 on the Artificial Analysis Intelligence Index, outperforming 6% of tracked models. On coding, it scores 3.4 (outperforms 8% of models). On math, it scores 41.3 (outperforms 42% of models).

Does it work with React / Vue / Vanilla JS / Node / etc.?

Yes — the Olmo 3 7B Instruct API works with any JavaScript framework, Node.js, or plain HTML through Puter.js. Just include the library and start building. See the documentation for more details.

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