Friday, August 21, 2026 · No. 390Prices synced 3 hours ago
All·AI·Model

The AI Model Price Index

DeepSeek V3.1 Terminus (Thinking)

by NanoGPT · family deepseek-thinking · listed Jan 2024TW

DeepSeek chat model for instruction following, coding, and analysis

Current rates USD per 1M tokens

Input$0.25
Output$0.70
Cache read$0.125
Cache write—

Against the market

Input price vs. maker flagships ($/1M tokens)
DeepSeek V3.1 Terminus (Thinking)DeepSeek V3.1 Terminus (Thinking): $0.25 per 1M tokens$0.25DeepSeek V4 ProDeepSeek V4 Pro: $0.435 per 1M tokens$0.435Gemini 3.7 FlashGemini 3.7 Flash: $0.75 per 1M tokens$0.75Mistral Medium 3.5Mistral Medium 3.5: $1.50 per 1M tokens$1.50Grok 4.6Grok 4.6: $2.00 per 1M tokens$2.00Qwen3.8 MaxQwen3.8 Max: $2.00 per 1M tokens$2.00Claude Opus 5Claude Opus 5: $5.00 per 1M tokens$5.00GPT-5.6 SolGPT-5.6 Sol: $5.00 per 1M tokens$5.00
Output price vs. maker flagships ($/1M tokens)
DeepSeek V3.1 Terminus (Thinking)DeepSeek V3.1 Terminus (Thinking): $0.70 per 1M tokens$0.70DeepSeek V4 ProDeepSeek V4 Pro: $0.87 per 1M tokens$0.87Gemini 3.7 FlashGemini 3.7 Flash: $3.75 per 1M tokens$3.75Grok 4.6Grok 4.6: $6.00 per 1M tokens$6.00Qwen3.8 MaxQwen3.8 Max: $6.00 per 1M tokens$6.00Mistral Medium 3.5Mistral Medium 3.5: $7.50 per 1M tokens$7.50Claude Opus 5Claude Opus 5: $25.00 per 1M tokens$25.00GPT-5.6 SolGPT-5.6 Sol: $30.00 per 1M tokens$30.00

On the record

Model id
deepseek-ai/DeepSeek-V3.1-Terminus:thinking
Context window
128K tokens
Max output
66K tokens
Input modalities
text
Output modalities
text
Reasoning
no
Tool calls
yes
Open weights
yes
Knowledge cutoff
—
Released
2024-01-01
Last updated
2025-09-22
Provider docs
docs.nano-gpt.com

Back of the envelope

≈

← All NanoGPT listings