AI Calculator Pro
Weekly recap

What changed in LLM pricing — Week of 14–20 September 2026

In the week of 14–20 September 2026, we recorded 26 price changes (16 cuts, 10 increases) and 13 new models across the LLM providers we track. The biggest cut was Mistral Small 3.1 24B Instruct input, down 72% ($0.351 → $0.100 per 1M tokens).

The median cut this week was 17%. Figures are from our daily re-check of official provider pricing; see the live tracker for the full history.

26
Price changes
16
Price drops
10
Price increases
13
New models

Price cuts in Week of 14–20 September 2026

Models that got cheaper, biggest cut first. Click a column to sort.

Mistral Small 3.1 24B InstructInput$0.351/1M$0.100/1M-72%15 September 2026Mistral AI
Qwen3.8 2.4T A95BCached input$0.500/1M$0.200/1M-60%17 September 2026Alibaba
Mistral Small 3.1 24B InstructOutput$0.555/1M$0.300/1M-46%15 September 2026Mistral AI
DeepSeek V4.1 FlashInput$0.150/1M$0.100/1M-33%15 September 2026DeepSeek
DeepSeek V4.1 FlashOutput$0.600/1M$0.400/1M-33%15 September 2026DeepSeek
Nemotron 3.5 Lightning 30BInput$0.050/1M$0.040/1M-20%19 September 2026Nvidia
Qwen3.8 27BInput$0.100/1M$0.080/1M-20%17 September 2026Alibaba
NVIDIA Nemotron 3 UltraInput$0.600/1M$0.500/1M-17%15 September 2026Nvidia

Price increases in Week of 14–20 September 2026

Mistral Medium 3.5Cached input$0.139/1M$0.750/1M+440%15 September 2026Mistral AI
Qwen3.8 27BCached input$0.010/1M$0.050/1M+400%17 September 2026Alibaba
GLM-5.3-FlashInput$0.075/1M$0.150/1M+100%19 September 2026Z.ai (Zhipu AI)
GLM-5.3-FlashOutput$0.250/1M$0.500/1M+100%19 September 2026Z.ai (Zhipu AI)
GLM-5.3-FlashCached input$0.015/1M$0.030/1M+100%19 September 2026Z.ai (Zhipu AI)
Qwen3.8 2.4T A95BCached input$0.250/1M$0.500/1M+100%15 September 2026Alibaba
Mistral Small 3.2 24B InstructInput$0.075/1M$0.094/1M+25%16 September 2026Mistral AI
Mistral Small 3.2 24B InstructOutput$0.200/1M$0.250/1M+25%16 September 2026Mistral AI

Models launched in Week of 14–20 September 2026

Cite this recap

Monthly recaps are generated from our open price-change dataset (CC BY 4.0). See the recap JSON, the full change dataset, or the RSS feed.