DeepSeek V3 is an open-source model that delivers remarkable performance at extremely low cost. At just $0.27/$1.10 per MTok, it is one of the most cost-effective frontier models available. DeepSeek V3 is widely used for high-volume applications, fine-tuning, and self-hosting where budget efficiency matters.
| Benchmark | Score |
|---|---|
| Arena Elo (LMArena) | 1367 |
| Context Window | 128K |
| Price (input/output) | $0.27/$1.10 |
Daily tokens (prompt + completion) routed to DeepSeek V3 on OpenRouter, from Jun 20 to Sep 23, from our own stored daily snapshots. Reflects OpenRouter API demand only. See all models →
| Date | Prompt /MTok | Completion /MTok |
|---|---|---|
| 2026-09-30 | $0.24 → $0.25 | $0.9 → $1 |
Changes observed across 121 daily OpenRouter catalog snapshots since Jun 19, 2026.