ChatGPT Free

Limits

As the provider states them.

Unlimited text chats (subject to abuse guardrails); limited messages with uploads, image creation, voice, deep research, memory and Codex. GPT Instant total context window 27K.

• Limited messages with uploads; amount not published
• GPT Instant total context window 27K

At the limit

not stated

Fair use

Unlimited text chats subject to abuse guardrails.

Models included

Stated as families: GPT-6 Luna; GPT-5.6 Terra with limited access in Work and Codex on desktop

• GPT-6 Luna

Named by the plan but not matched to a model in our data: GPT-5 Thinking Mini.

Source

“Free Best for trying out ChatGPT $0 / month Get Free Unlimited text chats with GPT-6”

chatgpt.com/pricing Verified 2026-10-19

Model access from the compare table screenshot: GPT-6 Luna and GPT-5 Thinking Mini ticked, GPT-5.6 Terra 'Limited access in Work and Codex on desktop'. The page does not say whether API usage is included.

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