LLM Cost Index
Best for…

Best AI models for every job

Ranked lists built from today’s prices and capabilities.

Cheapest AI models

  1. Mistral Nemo · $0.029 / $0.03
  2. Extract · $0.04 / $0
  3. Summarize · $0.04 / $0

Free AI models

  1. North Mini Code (free) · free
  2. Dots3-Note Preview (free) · free
  3. Gemma 4 26B A4B (free) · free

Cheapest AI models with vision

  1. Extract · $0.04 / $0
  2. Summarize · $0.04 / $0
  3. Gemma 3 4B · $0.04 / $0.05

AI models with a 1M+ token context window

  1. Extract · $0.04 / $0
  2. Summarize · $0.04 / $0
  3. Qwen3.7 Flash · $0.03 / $0.13

Cheapest AI models with tool calling

  1. Mistral Nemo · $0.029 / $0.03
  2. Ling 3.0 Flash · $0.021 / $0.063
  3. gpt-oss-20b · $0.018 / $0.09

Open-weight AI models

  1. North Mini Code (free) · free
  2. Gemma 4 26B A4B (free) · free
  3. Gemma 4 31B (free) · free

Cheapest reasoning models

  1. Ling 3.0 Flash · $0.021 / $0.063
  2. gpt-oss-20b · $0.018 / $0.09
  3. Nex-N2.5-Mini · $0.025 / $0.10

AI models with audio input

  1. Nemotron 3 Nano Omni (free) · free
  2. Inkling Small (free) · free
  3. Inkling (free) · free