DeepSeek-LLM vs GPT-5.3-Codex-Spark
DeepSeek DeepSeek-LLM | OpenAI GPT-5.3-Codex-Spark | |
|---|---|---|
| Overview | ||
| Company | DeepSeek | OpenAI |
| Release date | Nov 29 2023 | Feb 12 2026 |
| Access | Open Weight | Proprietary |
| Specifications | ||
Context window | — | 128k |
| Timeline | ||
| Release gap | DeepSeek-LLM shipped 806 days before GPT-5.3-Codex-Spark | |
Which is better: DeepSeek-LLM or GPT-5.3-Codex-Spark?
DeepSeek-LLM and GPT-5.3-Codex-Spark don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek-LLM shipped 806 days before GPT-5.3-Codex-Spark, so benchmark comparisons should account for the intervening progress.
DeepSeek-LLM is open weight, while GPT-5.3-Codex-Spark is proprietary.
Direct benchmark comparisons are unavailable — DeepSeek-LLM and GPT-5.3-Codex-Spark don't publish scores on any of the same benchmarks.
Frequently asked questions
DeepSeek-LLM was released by DeepSeek on Nov 29 2023.
GPT-5.3-Codex-Spark was released by OpenAI on Feb 12 2026.
DeepSeek-LLM is an open weight model released by DeepSeek. GPT-5.3-Codex-Spark is a proprietary model released by OpenAI.
Other comparisons
DeepSeek-LLM vs Claude Sonnet 5GPT-5.3-Codex-Spark vs Claude Sonnet 5DeepSeek-LLM vs Gemini OmniGPT-5.3-Codex-Spark vs Gemini OmniDeepSeek-LLM vs Muse Spark 1.1GPT-5.3-Codex-Spark vs Muse Spark 1.1DeepSeek-LLM vs Grok 4.5GPT-5.3-Codex-Spark vs Grok 4.5DeepSeek-LLM vs Mistral Medium 3.5GPT-5.3-Codex-Spark vs Mistral Medium 3.5DeepSeek-LLM vs Kimi K2.7 CodeGPT-5.3-Codex-Spark vs Kimi K2.7 Code