Model Comparison

DeepSeek R1 Distill Qwen 14B vs GPT-5.3 CodexWhich is better in 2026?

Comparing DeepSeek R1 Distill Qwen 14B and GPT-5.3 Codex across benchmarks, pricing, and capabilities.

Verdict: DeepSeek R1 Distill Qwen 14B vs GPT-5.3 Codex — which is better?

DeepSeek R1 Distill Qwen 14B (by DeepSeek) and GPT-5.3 Codex (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Choose DeepSeek R1 Distill Qwen 14B if…

  • you need open weights you can self-host or fine-tune

Choose GPT-5.3 Codex if…

  • you want the most recent training data — it shipped Feb 2026
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Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

DeepSeek R1 Distill Qwen 14B and GPT-5.3 Codexdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.3 Codex specifies input context (400,000 tokens). Only GPT-5.3 Codex specifies output context (128,000 tokens).

DeepSeek
DeepSeek R1 Distill Qwen 14B
Input- tokens
Output- tokens
OpenAI
GPT-5.3 Codex
Input400,000 tokens
Output128,000 tokens
Sun Jun 14 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.3 Codex supports multimodal inputs, whereas DeepSeek R1 Distill Qwen 14B does not.

GPT-5.3 Codex can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek R1 Distill Qwen 14B

Text
Images
Audio
Video

GPT-5.3 Codex

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek R1 Distill Qwen 14B is licensed under MIT, while GPT-5.3 Codex uses a proprietary license.

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

DeepSeek R1 Distill Qwen 14B

MIT

Open weights

GPT-5.3 Codex

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek R1 Distill Qwen 14B was released on 2025-01-20, while GPT-5.3 Codex was released on 2026-02-05.

GPT-5.3 Codex is 13 months newer than DeepSeek R1 Distill Qwen 14B.

DeepSeek R1 Distill Qwen 14B

Jan 20, 2025

1.4 years ago

GPT-5.3 Codex

Feb 5, 2026

4 months ago

1.0yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

DeepSeek
Has open weights
OpenAI
Larger context window (400,000 tokens)
Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature
DeepSeek
DeepSeek R1 Distill Qwen 14B
OpenAI
GPT-5.3 Codex

FAQ

Common questions about DeepSeek R1 Distill Qwen 14B vs GPT-5.3 Codex.

Which is better, DeepSeek R1 Distill Qwen 14B or GPT-5.3 Codex?

DeepSeek R1 Distill Qwen 14B (DeepSeek) and GPT-5.3 Codex (OpenAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does DeepSeek R1 Distill Qwen 14B compare to GPT-5.3 Codex in benchmarks?

DeepSeek R1 Distill Qwen 14B scores MATH-500: 93.9%, AIME 2024: 80.0%, GPQA: 59.1%, LiveCodeBench: 53.1%. GPT-5.3 Codex scores SWE-Lancer (IC-Diamond subset): 81.4%, Cybersecurity CTFs: 77.6%, Terminal-Bench 2.0: 77.3%, OSWorld-Verified: 64.7%, SWE-Bench Pro: 56.8%.

What are the context window sizes for DeepSeek R1 Distill Qwen 14B and GPT-5.3 Codex?

DeepSeek R1 Distill Qwen 14B supports an unknown number of tokens and GPT-5.3 Codex supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek R1 Distill Qwen 14B and GPT-5.3 Codex?

Key differences include multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek R1 Distill Qwen 14B and GPT-5.3 Codex?

DeepSeek R1 Distill Qwen 14B is developed by DeepSeek and GPT-5.3 Codex is developed by OpenAI.

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