DeepSeek V4 Pro vs GPT-5.6 Sol
DeepSeek vs OpenAI — compared on intelligence, speed, price, and capabilities.
Quick answer
DeepSeek V4 Pro is about 10x cheaper per million output tokens, while GPT-5.6 Sol scores higher on intelligence (98 vs 91) and is faster.
 DeepSeek V4 Pro |  GPT-5.6 Sol | |
|---|---|---|
| Intelligence | 91 | 98 |
| Speed | 75 | 85 |
| Input $ / 1M tokens | $1.49 | $5 |
| Output $ / 1M tokens | $3.13 | $30 |
DeepSeek V4 ProDeepSeek's most capable V4 model with frontier-level reasoning, 1M context, and deep optimization for agentic coding workflows.
- ✓ reasoning
- ✓ temperature
- ✓ reasoning effort
- ✓ documents
- ✓ image generation
GPT-5.6 SolOpenAI's frontier GPT-5.6 model for complex professional work, with a 1.05M token context window, native web search, and image generation.
- ✓ reasoning
- ✓ web search
- ✓ reasoning effort
- ✓ vision
- ✓ documents
- ✓ image generation
Frequently asked questions
- DeepSeek V4 Pro vs GPT-5.6 Sol: which is better?
- DeepSeek V4 Pro is about 10x cheaper per million output tokens, while GPT-5.6 Sol scores higher on intelligence (98 vs 91) and is faster.
- Which is cheaper?
- DeepSeek V4 Pro is about 10x cheaper: DeepSeek V4 Pro lists at $3.13 and GPT-5.6 Sol at $30 per million output tokens.
- Which is better for coding?
- GPT-5.6 Sol is the stronger pick for hard coding work: it scores higher on intelligence (98 vs 91), and it can reason step by step before answering. For quick edits, the faster or cheaper model is often enough.
- Can I use both together?
- Yes. In EVA's Multi Chat you send one prompt to DeepSeek V4 Pro and GPT-5.6 Sol at once and read the answers side by side, or use Split Chat to run two separate conversations next to each other. Both draw on the same EVA credit balance.
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