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DeepSeek: DeepSeek V3.1 Terminus

DeepSeek
deepseek/deepseek-v3.1-terminus

About this model

DeepSeek-V3.1 Terminus is an update to [DeepSeek V3.1](/deepseek/deepseek-chat-v3.1) that maintains the model's original capabilities while addressing issues reported by users, including language consistency and agent capabilities, further optimizing the model's...

Make a request

OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.

curl https://promptix.tn/api/v1/chat/completions \  -H "Authorization: Bearer $PROMPTIX_API_KEY" \  -H "Content-Type: application/json" \  -d '{    "model": "deepseek/deepseek-v3.1-terminus",    "messages": [      {"role": "user", "content": "Hello! What can you do?"}    ]  }'

Pricing

In TND per 1M tokens. VAT and the platform fee are added at top-up.

Input tokens

0.897 TND

per 1M tokens

Output tokens

3.323 TND

per 1M tokens

1,000 requests with 1K input and 500 output tokens cost about 2.558 TND.

Specifications

Provider
DeepSeek
Context window
163,840 tokens
Input modality
Text
Added
Sep 22, 2025
Supported parameters
frequency_penaltyinclude_reasoninglogit_biasmax_tokensmin_ppresence_penaltyreasoningrepetition_penalty