DeepSeek V3.1 Terminus
Open weights
DeepSeek V3.1 Terminus is an AI model from DeepSeek, released with open weights.
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Context
164K
Input
$0.27
/1M tok
Output
$1
/1M tok
Blended
$0.45
#291/ 461/1M · 3:1
Speed
0
#115/ 461tok/s
Cache read
$0.14
0.50x input
Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter
| Reasoning effort | Index | Price | Speed |
|---|---|---|---|
| Reasoning | 31.4 | $1.91 | 0 t/s |
| Non-reasoning | 21.7 | $0.45 | 0 t/s |
Intelligence Index per reasoning-effort setting, via Artificial Analysis
Reported on 11 evals across 7 domains - best 83.6% on MMLU-Pro · #33 of 340