OpenAI Launches Cost-Effective GPT-4o Mini Model at $0.150/1M Input Tokens, Revolutionizing AI Accessibility
What happened
Between the Jul 1, 2024 and Oct 1, 2024 captures of OpenAI's pricing page, Pulse recorded 7 changes: chatgpt-4o-latest model added to Other Models section with pricing $5.00/1M input tokens and $15.00/1M output tokens; Fine-tuning support added for gpt-4o-mini-2024-07-18 with promotional free tier (2M training tokens daily through October 31, 2024); o1-mini reasoning model introduced with pricing $3.00/1M input tokens and $12.00/1M output tokens (output includes internal reasoning tokens), tailored to coding, math, and science; gpt-4o-2024-08-06 model variant introduced with lower pricing: $2.50/1M input tokens (50% cheaper than base gpt-4o) and $10.00/1M output tokens (33% cheaper); Fine-tuning support added for gpt-4o-2024-08-06 with promotional free tier (1M training tokens daily through October 31, 2024); GPT-4o mini model introduced with pricing $0.150/1M input tokens and $0.600/1M output tokens, positioned as cost-efficient replacement for GPT-3.5 Turbo; o1-preview reasoning model introduced with pricing $15.00/1M input tokens and $60.00/1M output tokens (output includes internal reasoning tokens). Pulse files it as a packaging change (new plan, feature added) with an upward direction. Pulse's latest capture (Oct 18, 2026) lists Go at $8, Plus at $20, Business at $20 and Pro at $100.
OpenAI's previous recorded change was "OpenAI Introduces GPT-4o as Flagship Model with Competitive Pricing at $5.00/1M Input Tokens and $15.00/1M Output Tokens" (Q2 2024). OpenAI has been tracked since 2023-11-14.
In the same window Metabase and Anthropic also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- — · PlanAdded
BeforeNo chatgpt-4o-latest model
Afterchatgpt-4o-latest model
- — · FeatureAddedNo Fine-tuning supportFine-tuning support
- — · PlanAdded
BeforeNo o1-mini reasoning model
Aftero1-mini reasoning model
- — · PlanAdded
BeforeNot listed
Aftergpt-4o-2024-08-06 model variant
- — · FeatureAddedNo Fine-tuning supportFine-tuning support
- — · PlanAddedNo GPT-4o mini modelGPT-4o mini model
- — · PlanAdded
BeforeNo o1-preview reasoning model
Aftero1-preview reasoning model
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Plan | No chatgpt-4o-latest model | chatgpt-4o-latest model | Added |
| — | Feature | No Fine-tuning support | Fine-tuning support | Added |
| — | Plan | No o1-mini reasoning model | o1-mini reasoning model | Added |
| — | Plan | Not listed | gpt-4o-2024-08-06 model variant | Added |
| — | Feature | No Fine-tuning support | Fine-tuning support | Added |
| — | Plan | No GPT-4o mini model | GPT-4o mini model | Added |
| — | Plan | No o1-preview reasoning model | o1-preview reasoning model | Added |
Values as written on OpenAI's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of OpenAI's pricing page (openai.com) from Jul 1, 2024 and Oct 1, 2024; the change is marked on the page, where chatgpt-4o-latest model now appears.
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The two full-page captures with this change marked up are free with an account.
OpenAI, the last 90 days
Full history- Q2 2025packagingOpenAI Announces Dramatic 87% Price Drop for Flagship Reasoning Model Outputs During Transition to o3
- Mar 2025packagingOpenAI Introduces Tiered Pricing for Web Search Tool Calls, Impacting GPT-4o and GPT-4o Mini Rates
- Q4 2024packagingOpenAI Discontinues Fine-Tuning and Legacy Models, Introduces GPT-4.5 and New o3-mini Pricing for Enhanced Accessibility
- Q3 2024packagingOpenAI Launches Cost-Effective GPT-4o Mini Model at $0.150/1M Input Tokens, Revolutionizing AI Accessibility · this change
- Q2 2024packagingOpenAI Introduces GPT-4o as Flagship Model with Competitive Pricing at $5.00/1M Input Tokens and $15.00/1M Output Tokens
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- MetabaseJan 12Metabase Introduces SCIM Account Provisioning for Pro and Enterprise Plans
- AnthropicJan 10Anthropic API Introduces Tiered Pricing and Prompt Caching for Sonnet 4.5, Restructuring Costs Based on Token Length
- MetabaseJan 12Metabase Unifies Pricing Structure with Monthly/Annual Toggle and 'Save 10%' Offer
- MetabaseJan 12Metabase Cuts Storage Add-On Pricing by 53% for 500K and 1M Rows, Now Just $35 and $70/Month
- MetabaseJan 12Metabase Raises Enterprise Plan Minimum Annual Price by 33% to $20k, Alongside Other Price Increases Across Plans and Add-ons
Questions about this change
Did OpenAI raise prices in October 2024?
No list-price increase was recorded between Jul 1, 2024 and Oct 1, 2024. The change Pulse detected was a packaging change: new plan, feature added.
What changed on OpenAI's pricing page between Jul 1, 2024 and Oct 1, 2024?
Plan: No chatgpt-4o-latest model → chatgpt-4o-latest model, added; feature: No Fine-tuning support → Fine-tuning support, added; plan: No o1-mini reasoning model → o1-mini reasoning model, added; plan: Not listed → gpt-4o-2024-08-06 model variant, added; feature: No Fine-tuning support → Fine-tuning support, added; plan: No GPT-4o mini model → GPT-4o mini model, added; plan: No o1-preview reasoning model → o1-preview reasoning model, added. Pulse compared the captures it took on Jul 1, 2024 and Oct 1, 2024; the before/after table above lists each item as written on the page.
How often does OpenAI change its pricing?
Pulse recorded 1 other pricing-page change for OpenAI in the 90 days before this one; the previous change was "OpenAI Introduces GPT-4o as Flagship Model with Competitive Pricing at $5.00/1M Input Tokens and $15.00/1M Output Tokens" in Q2 2024; OpenAI has been tracked since 2023-11-14.