OpenAI AgentKit
No separate platform fee; pay for tools and model tokens: Code Interpreter $0.03/session, File Search storage $0.10/GB-day, ChatKit container $1.92 per 20-min session per container
OpenAI AgentKit scores 4.6/10 for free value in Agents. The main constraint: Paid — No platform fee; pay per tool/session + model tokens. No separate platform fee; pay for tools and model tokens: Code Interpreter $0.03/session, File Search storage $0.10/GB-day, ChatKit container $1.92 per 20-min session per container. (Agent Builder winding down Nov 30 20.
Free value score
4.6 / 10Show the math
Key metrics
What you get
Paid — No platform fee; pay per tool/session + model tokens. No separate platform fee; pay for tools and model tokens: Code Interpreter $0.03/session, File Search storage $0.10/GB-day, ChatKit container $1.92 per 20-min session per container. (Agent Builder winding down Nov 30 20
No platform tax — you pay only model tokens + tool calls; cheapest entry if already on OpenAI
Gotchas
No gotchas documented yet. Contribute one if you know a constraint we missed.
Sources
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"Code Interpreter costs $0.03 per session, and File Search costs $0.10 per gigabyte of storage per day"
https://www.eesel.ai/blog/openai-agentkit-pricing -
"$1.92 per 20-minute session per container"
https://developers.openai.com/api/docs/pricing