Comparing 2 models

DeepSeek V4 Pro vs GPT-5.6 Sol

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric
Model 1DeepSeek V4 Pro
Model 2GPT-5.6 Sol
Best for
Best Open-Weight LLM for Self-Hosting (#3)
Tool & Function Calling (#1)
Provider
deepseek
openai
Context
1.0M
1.1MBest
Input / 1M
$0.43Best
$5
Output / 1M
$0.87Best
$30
Tool use
yesBest
yesBest
Vision
yesBest
Reasoning
yesBest
yesBest
Open-weight
yesBest
Released
Apr 23, 2026
Jul 9, 2026