AllenaibalancedTool use

Olmo 3.1 32B Instruct

Olmo 3.1 32B Instruct is a large-scale, 32-billion-parameter instruction-tuned language model engineered for high-performance conversational AI, multi-turn dialogue, and practical instruction following. As part of the Olmo 3.1 family, this...

66K context·~49K words·
Context window66Ktokens

Context window

This model accepts 66K tokens in one request (~49K words of text).

Context window size66K tokens
4K32K128K1M10M

What fits in one request

  • Short document
    About 1,500 words of text
    Fits
  • Long document
    About 37K words of text
    Fits
  • Small codebase
    About 150K words of text
    Won't fit
  • Full novel
    About 375K words of text
    Won't fit

Specifications

Context size, pricing, and release info in one place.

Context window
65,536 tokens (66K)
Speed tier
balanced
Provider
Allenai
Release date
Jan 2026

Capabilities

See which features this model supports, such as vision, tools, and streaming.

Supported (3)
Tool use
Supported
Function calling
Supported
Streaming
Supported
Not supported (5)
Vision
Not supported
Extended thinking
Not supported
Web search
Not supported
Batch API
Not supported
Prompt caching
Not supported

Best for

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Frequently asked questions

Short answers about context size and how this model behaves.

Olmo 3.1 32B Instruct has a context window of 65K tokens (65,536 tokens). This is sufficient for most chat, summarization, and moderate document tasks.

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