DeepSeek V5 (Leaked Staging) vs GPT-6 Astra

A direct, empirical evaluation of DeepSeek V5 (Leaked Staging) (DeepSeek AI) against GPT-6 Astra (OpenAI).

DeepSeek V5 (Leaked Staging)

Developed by DeepSeek AI · 1.8 Trillion (Sparse MoE) parameters

Autonomous coding agents scoring 81.4% on SWE-bench Verified, zero-telemetry self-hosting, sub-cent 1M-token processing, and formal mathematical proofs.

GPT-6 Astra

Developed by OpenAI · Proprietary Frontier parameters

Complex multi-step engineering, formal math proofs, autonomous computer/browser navigation, and CAD synthesis.

Metric DeepSeek V5 (Leaked Staging) GPT-6 Astra
SWE-bench Verified 81.4% 79.4%
MMLU-Pro 87.5% 91.2%
MATH-500 96.8% 98.6%
Context Window 1,000,000 tokens 1,050,000 tokens
Input Pricing (per 1M) $0.12 $10.00
Output Pricing (per 1M) $0.48 $50.00