DeepSeek V5 (Leaked Staging) vs GPT-6.1 Sol
A direct, empirical evaluation of DeepSeek V5 (Leaked Staging) (DeepSeek AI) against GPT-6.1 Sol (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-6.1 Sol
Developed by OpenAI · Proprietary Frontier Workhorse Engine parameters
Near-Astra reasoning at 1/5th price ($1.25/$5.00), SWE-bench Verified 74.8%, OSWorld 2.0 desktop agent automation, and sub-80ms Ultrafast Mode.
| Metric | DeepSeek V5 (Leaked Staging) | GPT-6.1 Sol |
|---|---|---|
| SWE-bench Verified | 81.4% | 74.8% |
| MMLU-Pro | 87.5% | 92.4% |
| MATH-500 | 96.8% | 96.2% |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Input Pricing (per 1M) | $0.12 | $1.25 |
| Output Pricing (per 1M) | $0.48 | $5.00 |