DeepSeek

DeepSeek V3.1 Terminus

Type
language model
Context
164K tokens
Max output
66K
Released
2 August 2025
Knowledge cutoff
March 2025
API string
deepseek-ai/DeepSeek-V3.1-Terminus
Weights
open

Prices by provider

Provider Input, $ per 1M Output, $ per 1M In our data since
Kilo Code $0.21 $0.79 31 Jul 2026
NanoGPT $0.25 $0.7 31 Jul 2026
alibaba-cn $0.27 $1 31 Jul 2026
novita-ai $0.27 $1 31 Jul 2026
siliconflow-cn $0.27 $1 31 Jul 2026
Abacus.AI $0.27 $1 31 Jul 2026
DeepInfra $0.27 $1 31 Jul 2026
Helicone $0.27 $1 31 Jul 2026
Novita AI $0.27 $1 31 Jul 2026
OpenRouter $0.27 $1 31 Jul 2026
SiliconFlow $0.27 $1 31 Jul 2026
Vercel $0.27 $1 31 Jul 2026
Fireworks AI $0.56 $1.68 1 Aug 2026

Only the base tier and only per-token prices are shown. Batch, discounted and cached rates, as well as prices per image or per second of video, do not go into this table: they cannot stand in the same column as a price per million tokens.

The date in the last column is the day this price first entered our collection. The price may well be older: before that day we simply were not recording it. It has not changed since — otherwise a new row with a new date would stand in its place.

Measurement results

Task set Result Run conditions Measured by
Arena Score in Russian 1,426.56 1,393–1,460 — —
Arena Score in English 1,422.96 1,409–1,437 — —
Arena Score, overall 1,417.25 1,408–1,427 — —
Arena Score, programming 1,406.59 1,386–1,427 — —
Arena Score, hard prompts 1,405.93 1,393–1,419 — —
Arena Score, creative writing 1,405.52 1,378–1,433 — —
Arena Score, mathematics 1,398.82 1,361–1,437 — —
Arena Score, long queries 1,396.19 1,377–1,416 — —
Arena Score, multi-turn dialogue 1,387.42 1,365–1,410 — —
Arena Score, instruction following 1,379.94 1,362–1,398 — —