Author's Description
Olmo 3.1 32B Think is a large-scale, 32-billion-parameter model designed for deep reasoning, complex multi-step logic, and advanced instruction following. Building on the Olmo 3 series, version 3.1 delivers refined reasoning behavior and stronger performance across demanding evaluations and nuanced conversational tasks. Developed by Ai2 under the Apache 2.0 license, Olmo 3.1 32B Think continues the Olmo initiative’s commitment to openness, providing full transparency across model weights, code, and training methodology.
Key Specifications
Supported Parameters
This model supports the following parameters:
Features
This model supports the following features:
Performance Summary
AllenAI: Olmo 3.1 32B Think, a 32-billion-parameter model designed for deep reasoning and complex instruction following, demonstrates a strong overall performance profile. While its speed ranking indicates it tends to have longer response times, placing it in the 14th percentile, its pricing is moderate, falling within the 31st percentile. A significant strength is its exceptional reliability, boasting a 99% success rate across benchmarks, ensuring consistent and usable responses. The model excels in several key areas. It shows robust performance in Reasoning (90.0% accuracy, 74th percentile) and Coding (91.0% accuracy, 69th percentile), indicating its proficiency in complex problem-solving and programming tasks. Its General Knowledge is also impressive at 99.0% accuracy (62nd percentile). Instruction Following is solid at 64.6% accuracy (65th percentile). A notable weakness appears in its handling of Hallucinations, where its 91.5% accuracy (43rd percentile) suggests room for improvement in acknowledging uncertainty. Ethics (98.0% accuracy, 37th percentile) and Email Classification (96.8% accuracy, 38th percentile) are competent but not top-tier. Mathematics performance is average at 88.4% accuracy (51st percentile). Overall, Olmo 3.1 32B Think is a reliable model with strong reasoning and coding capabilities, though its speed and hallucination control could be enhanced.
Model Pricing
Current Pricing
| Feature | Price (per 1M tokens) |
|---|---|
| Prompt | $0.15 |
| Completion | $0.5 |
Price History
Available Endpoints
| Provider | Endpoint Name | Context Length | Pricing (Input) | Pricing (Output) |
|---|---|---|---|---|
|
Parasail
|
Parasail | allenai/olmo-3.1-32b-think-20251215 | 65K | $0.15 / 1M tokens | $0.5 / 1M tokens |
Benchmark Results
| Benchmark | Category | Reasoning | Strategy | Free | Executions | Accuracy | Cost | Duration |
|---|
Other Models by allenai
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|
Released | Params | Context |
|
Speed | Ability | Cost |
|---|---|---|---|---|---|---|---|
| AllenAI: Molmo2 8B Unavailable | Jan 09, 2026 | 8B | 36K |
Text input
Image input
Video input
Text output
|
— | — | $$ |
| AllenAI: Olmo 3.1 32B Instruct | Jan 06, 2026 | 32B | 65K |
Text input
Text output
|
★ | ★★★ | $$ |
| AllenAI: Olmo 3 32B Think | Nov 21, 2025 | 32B | 65K |
Text input
Text output
|
★ | ★★★ | $$$$ |
| AllenAI: Olmo 3 7B Instruct Unavailable | Nov 21, 2025 | 7B | 65K |
Text input
Text output
|
— | — | $$ |
| AllenAI: Olmo 3 7B Think Unavailable | Nov 21, 2025 | 7B | 65K |
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Text output
|
— | ★ | $$ |
| AllenAI: Molmo 7B D Unavailable | Mar 26, 2025 | 7B | 4K |
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Image input
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|
— | — | $$ |
| AllenAI: Molmo 7B D Unavailable | Mar 26, 2025 | 7B | 4K |
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Image input
Text output
|
— | — | $$ |
| AllenAI: Olmo 2 32B Instruct | Mar 14, 2025 | 32B | 4K |
Text input
Text output
|
★★★★ | ★★ | $$$$ |