Model Comparison

o3-mini vs DeepSeek R1 Distill Qwen 1.5B

o3-mini significantly outperforms across most benchmarks.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

o3-mini outperforms in 2 benchmarks (AIME 2024, GPQA), while DeepSeek R1 Distill Qwen 1.5B is better at 0 benchmarks.

o3-mini significantly outperforms across most benchmarks.

Thu Apr 16 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Cost data unavailable.

Lowest available price from all providers
Thu Apr 16 2026 • llm-stats.com
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
DeepSeek
DeepSeek R1 Distill Qwen 1.5B
Input tokens$0.00
Output tokens$0.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Only o3-mini specifies input context (200,000 tokens). Only o3-mini specifies output context (100,000 tokens).

OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
DeepSeek
DeepSeek R1 Distill Qwen 1.5B
Input- tokens
Output- tokens
Thu Apr 16 2026 • llm-stats.com

License

Usage and distribution terms

o3-mini is licensed under a proprietary license, while DeepSeek R1 Distill Qwen 1.5B uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

o3-mini

Proprietary

Closed source

DeepSeek R1 Distill Qwen 1.5B

MIT

Open weights

Release Timeline

When each model was launched

o3-mini was released on 2025-01-30, while DeepSeek R1 Distill Qwen 1.5B was released on 2025-01-20.

o3-mini is 0 month newer than DeepSeek R1 Distill Qwen 1.5B.

o3-mini

Jan 30, 2025

1.2 years ago

1w newer
DeepSeek R1 Distill Qwen 1.5B

Jan 20, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

o3-mini has a documented knowledge cutoff of 2023-09-30, while DeepSeek R1 Distill Qwen 1.5B's cutoff date is not specified.

We can confirm o3-mini's training data extends to 2023-09-30, but cannot make a direct comparison without DeepSeek R1 Distill Qwen 1.5B's cutoff date.

o3-mini

Sep 2023

DeepSeek R1 Distill Qwen 1.5B

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Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (200,000 tokens)
Higher AIME 2024 score (87.3% vs 52.7%)
Higher GPQA score (77.2% vs 33.8%)
DeepSeek
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
o3-mini
DeepSeek
DeepSeek R1 Distill Qwen 1.5B

FAQ

Common questions about o3-mini vs DeepSeek R1 Distill Qwen 1.5B

o3-mini significantly outperforms across most benchmarks. o3-mini is made by OpenAI and DeepSeek R1 Distill Qwen 1.5B is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
o3-mini scores COLLIE: 98.7%, MATH: 97.9%, IFEval: 93.9%, MGSM: 92.0%, AIME 2024: 87.3%. DeepSeek R1 Distill Qwen 1.5B scores MATH-500: 83.9%, AIME 2024: 52.7%, GPQA: 33.8%, LiveCodeBench: 16.9%.
o3-mini supports 200K tokens and DeepSeek R1 Distill Qwen 1.5B supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
o3-mini is developed by OpenAI and DeepSeek R1 Distill Qwen 1.5B is developed by DeepSeek.