OpenAI · LLM API Modelretiring

babbage-002

babbage-002 costs $0.40 per 1M input tokens and $0.40 per 1M output tokens. Batch API: $0.20 input, $0.20 output.

Updated September 21, 2026
Input / 1M
$0.40
Output / 1M
$0.40
Cached Input
—
Context Window
16K
Standard Input
$0.40 / 1M
Base prompt input rate
Standard Output
$0.40 / 1M
Completion output rate
Prompt Caching -50%
50% Off
Cached prompt context
Batch API -50%
$0.20 / 1M
Asynchronous 24h batch

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OpenAI retires babbage-002 on 28 Sep 2026. Successor: gpt-5.6-terra.

Flagship models

All rates listed in USD per 1 Million (1M) tokens unless noted

StandardBatch
Pricing Metric / Parameter
Standard RATE
(per 1M)
Batch RATE
(per 1M)
Short context input$0.40$0.20
Short context cached input--
Short context cache writes--
Short context output$0.40$0.20
Long context input--
Long context cached input--
Long context cache writes--
Long context output--

Finetuning

All rates listed in USD per 1 Million (1M) tokens unless noted

StandardBatch
Pricing Metric / Parameter
Standard RATE
(per 1M)
Batch RATE
(per 1M)
Training$0.40$0.40
Input$1.60$0.80
Cached input--
Output$1.60$0.90

Source: OpenAI official pricing page, verified 2026-09-21. Prices in USD per 1M tokens.

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