DeepSeek V4 vs GPT-5.6 Luna
DeepSeek V4 leads in 2 of 8 categories
Arena ELO
Tie
Cheaper
DeepSeek V4
Faster
Tie
Detailed Comparison
| Category | DeepSeek V4 | GPT-5.6 Luna |
|---|---|---|
| Provider | DeepSeek | OpenAI |
| Context Window | 128K | 128K |
| Input Price ($/1M) | $0.14 WIN | $10 |
| Output Price ($/1M) | $0.28 WIN | $30 |
| Arena ELO | N/A | N/A |
| Coding | N/A | N/A |
| Reasoning | N/A | N/A |
| Speed (tokens/sec) | N/A | N/A |
| Open Source | Yes | No |
Frequently Asked Questions
Which is cheaper, DeepSeek V4 or GPT-5.6 Luna?
DeepSeek V4 is approximately 99% cheaper than GPT-5.6 Luna per million tokens.
Which has a larger context window?
DeepSeek V4 supports 128K context, while GPT-5.6 Luna supports 128K.
Is DeepSeek V4 or GPT-5.6 Luna open source?
DeepSeek V4 is open source. GPT-5.6 Luna is proprietary.
Related Articles
More Comparisons
DeepSeek V4 vs Claude Opus 4.5DeepSeek V4 vs Llama 4 ScoutDeepSeek V4 vs Claude Haiku 4.5DeepSeek V4 vs Qwen 3.6DeepSeek V4 vs Kimi K2.7 CodeDeepSeek V4 vs MiniMax H3DeepSeek V4 vs Llama 4 MaverickDeepSeek V4 vs GPT-5.3-CodexGPT-5.6 Luna vs Claude Opus 4.5GPT-5.6 Luna vs Llama 4 ScoutGPT-5.6 Luna vs Claude Haiku 4.5GPT-5.6 Luna vs Qwen 3.6GPT-5.6 Luna vs Kimi K2.7 CodeGPT-5.6 Luna vs MiniMax H3GPT-5.6 Luna vs Llama 4 MaverickGPT-5.6 Luna vs GPT-5.3-Codex