DeepSeek V4 Pro 0813

Best for

Cost-controlled agentic backend and full-stack work, and teams that need MIT-licensed weights for compliance

Price & access

DeepSeek direct peak: $1.32 in / $3.96 out per 1M; off-peak exactly half at $0.66/$1.98; cache-hit input $0.044 peak / $0.022 off-peak. Peak hours 01:00-04:00 and 06:00-10:00 UTC Mon-Fri. OpenRouter blended: $0.5795 in / $1.738 out, cache read $0.01932.

Evidence summary

First-party pricing and version table, first-party Hugging Face card with a full benchmark table and stated harness, two independent preference boards, two third-party benchmark leaderboards and two independent speed measurements.

Edition status

No prior snapshot. Tracked in the September 2026 baseline.

Strengths

• Terminal-Bench 2.1 87.9% is within 0.9 pts of the best model in the set while costing a fraction of it
• MIT-licensed 1.6-1.7T MoE weights, so the exact model can be self-hosted
• Sub-2-second TTFT and 1M context on the hosted API
• Off-peak pricing halves an already low rate ($0.66/$1.98)

Tradeoffs

• Design Arena Website 1258 (rank 42) shows visual taste well behind frontier models
• Text-only: screenshot-to-code needs the separate vision-exp model
• SWE-bench Pro 55.4% is far below the Anthropic tier
• Serving 1.6T+ weights locally is out of reach for most teams