OtherOpen SourceArena #172Nov 21, 2025

AllenAI: Olmo 3 32B Think

Olmo 3 32B Think is a large-scale, 32-billion-parameter model purpose-built for deep reasoning, complex logic chains and advanced instruction-following scenarios. Its capacity enables strong performance on demanding evaluation tasks and highly nuanced conversational reasoning. Developed by Ai2 under the Apache 2.0 license, Olmo 3 32B Think embodies the Olmo initiative’s commitment to openness, offering full transparency across weights, code and training methodology.

Context Window
66K
tokens
Max Output
66K
tokens
Released
Nov 21, 2025
Arena Rank
#172
of 305 models

Capabilities

👁Vision
🧠Reasoning
🔧Tool Calling
Prompt Caching
🖥Computer Use
🎨Image Generation

Supported Parameters

Frequency Penalty
Reduce repetition
Include Reasoning
Show reasoning tokens
Logit Bias
Adjust token weights
Max Tokens
Output length limit
Presence Penalty
Encourage new topics
Reasoning
Extended thinking
Repetition Penalty
Penalize repeated tokens
Response Format
JSON mode / structured output
Seed
Deterministic outputs
Stop Sequences
Custom stop tokens
structured_outputs
Temperature
Controls randomness
Top K
Top-K sampling
Top P
Nucleus sampling

Pricing Comparison

RouterInput / 1MOutput / 1MCached Input / 1M
OpenRouter$0.15$0.50

Benchmarks

Arena ELOLMSYS Chatbot Arena
1,163/1,500

Model IDs

OpenRouterallenai/olmo-3-32b-think

Tags

reasoning
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