OpenAI

GPT-4o mini

The low-cost GPT-4o tier for high-volume, multimodal workloads at $0.15 / $0.60 per 1M.

ActiveReleased July 18, 2024Knowledge cutoff October 1, 2023Available from 4 providers
Tool callingCan invoke external tools and APIs (function calling) mid-response.Structured outputCan return JSON or schema-constrained responses instead of free text.ReasoningUses extended thinking / chain-of-thought for harder multi-step problems.Effort controlLets you dial thinking depth (low / medium / high) to trade cost for quality.Fine-tuningSupports training a custom variant on your own data (vendor fine-tune API or self-hosted open weights).

Source: OpenAI models, OpenAI pricing, Prompt caching (1,024 minimum, 30m TTL)

Price per 1M tokens
$0.15 in / $0.6 out
Context window128,000
Max output16,384
Cache read$0.075 / M
Batch discount-50%
Input
  • Text
  • Image
Output
  • Text
Priced across4 providers

Pricing

Every billing leg from the live catalog, in USD per 1M tokens.

Billing legRateBatch
Input$0.15 / M$0.075 / M
Output$0.6 / M$0.3 / M
Cache read$0.075 / Mn/a

Cost calculator

Billing-grade math over the rate card above, including the thinking tokens most estimates miss.

Estimated monthly cost
$42.00
at current list prices
Fresh input$30.00
Cached input$0.00
Output$12.00
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Compare providers

The same model, priced across every platform that serves it. Lowest combined in/out rate is flagged.

PlatformRegionInput / MOutput / MCache read / MBatchAccess
OpenAILowest
-$0.15$0.6$0.075✓First-party API
Azure OpenAI
-$0.15$0.6$0.075✓Direct
Azure OpenAI · Data zone
-$0.165$0.66$0.083-Direct
Azure OpenAI · Regional
$0.165$0.66$0.083-Direct

Some hosts price by region. Shown rates match the selected region.

Price history

Has this model gotten cheaper or more expensive?

EffectiveInput / OutputStatus
April 20, 2026 – July 10, 2026$0.15 / $0.6past
July 10, 2026 – August 3, 2026$0.15 / $0.6past
August 3, 2026$0.15 / $0.6current

More from OpenAI

Other models from the same provider.

GPT-6.1 Sol
openai/gpt-6.1-sol
$2 / $10 in / out per 1M
GPT-6 Sol
openai/gpt-6-sol
$2 / $10 in / out per 1M
GPT-6 Luna
openai/gpt-6-luna
$0.1 / $0.5 in / out per 1M
GPT-6 Astra
openai/gpt-6-astra
$10 / $50 in / out per 1M
GPT-5.6 Sol
openai/gpt-5.6-sol
$4 / $20 in / out per 1M
GPT-5.6 Terra
openai/gpt-5.6-terra
$2 / $12 in / out per 1M

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SuperPenguin meters every GPT-4o mini call your team makes, prices it with this exact rate card, and shows spend by feature, customer, and team.

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Rates are generated from SuperPenguin's live pricing catalog.