TokenLens

OpenAI API

Free
high
Monthly token capFair use / unknown
Cost / 1M tokens$4.10
Included models
gpt-4.1gpt-4o
LimitsFair use policy
Effective from14 Apr 2025
Last verified4 Mar 2026
Marketing claims
  • Pay-per-token — no monthly commitment
  • GPT-4.1: $2/1M input · $8/1M output
  • GPT-4o: $2.50/1M input · $10/1M output