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TypingMind
custom.typingmind.com › tools › estimate-llm-usage-costs › gpt-4o-mini
OpenAI gpt-4o-mini API Pricing Calculator
Estimate how much you will spend on OpenAI gpt-4o-mini API to keep your budget in check.
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LLMPriceCheck
llmpricecheck.com › openai › gpt-4o-mini
GPT-4o mini (OpenAI) Pricing Calculator - Costs, Quality & Free Trial | LLM Price Check
OpenAI introduces GPT-4o mini, our most cost-efficient model, scoring 82% on MMLU and outperforming GPT-41. Priced at 15 cents per million input tokens and 60 cents per million output tokens, it’s over 60% cheaper than GPT-3.5 Turbo.
Discussions

GPT-4o mini vision pricing is odd
Interesting find! I wonder if they somehow still use the big model for vision, it would explain how it’s so good! More on reddit.com
🌐 r/OpenAI
34
72
July 20, 2024
API pricing of gpt-4o mini
If only I knew what this meant... More on reddit.com
🌐 r/ChatGPT
3
3
January 6, 2024
GPT-4o mini: advancing cost-efficient intelligence
So in its prediction capabilities, it's better than 3.5 but worse than 4o, as expected. It has the 128K context limit, same as 4o. It is much cheaper than 3.5 which is surprising. More on reddit.com
🌐 r/OpenAI
103
255
March 4, 2024
GPT-4o-mini is 2 times cheaper than GPT 3.5 Turbo
2.5 output and more than 3x input technically More on reddit.com
🌐 r/singularity
168
416
July 18, 2024
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Apidog
apidog.com › blog › gpt-4o-mini-api
GPT-4o mini API: New Features, Pricing, Usage, and More
July 31, 2025 - This minimal cost demonstrates how GPT-4o mini allows for the efficient processing of large amounts of data at a fraction of the cost of previous models, making it highly scalable for various applications. Managing and testing APIs is a critical aspect when using the GPT-4O mini API.
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Reddit
reddit.com › r/openai › gpt-4o mini vision pricing is odd
r/OpenAI on Reddit: GPT-4o mini vision pricing is odd
July 20, 2024 -

Sorry if someone's posted this before but I couldn't see anything.

I find it a bit strange that OpenAI have made their GPT-4o mini functionally the same as the non-mini model for vision, by making each "image tile" more tokens in the mini vs the original 4o model.

https://openai.com/api/pricing/

GPT-4o:
150 x 150px image = 255 tokens (155 + 85 base tokens)
255 tokens = US$0.001275

GPT-4o mini:
150 x 150px image = 8500 tokens (5667 + 2833 base tokens)
8500 tokens = US$0.001275

I had a bit of a fun project in mind which would compare images, so I was super excited about a really cheap model (especially with their batch 50% discount) but it's a bit dissapointing that the discount doesn't carry over to images.

In contrast, Anthropic just use the formula `tokens = (width px * height px)/750` and charge you the corresponding model's rate for the tokens, and for now Haiku is nearly 10x cheaper per image than 4o mini.

Note:
I did test that this isn't an error on their page, I compared two small images and got the following response. CompletionUsage(completion_tokens=13, prompt_tokens=17128, total_tokens=17141)

Edit: Seems like it's official, there's a tweet from OpenAI acknowledging it https://x.com/romainhuet/status/1814054938986885550?t=AMFK4svMvCluYqAXUqRDMQ&s=19

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Helicone
helicone.ai › llm-cost › provider › openai › model › gpt-4o-mini-2024-07-18
OpenAI gpt-4o-mini-2024-07-18 Pricing Calculator | API Cost Estimation
Explore AI costs with our comprehensive OpenAI gpt-4o-mini-2024-07-18 Pricing Calculator. Compare prices for 300+ models across 10+ providers, get accurate API pricing, token costs, and budget estimations.
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Analytics Vidhya
analyticsvidhya.com › home › how to calculate openai api price for gpt-4, gpt-4o and gpt-3.5 turbo?
How to Calculate OpenAI API Price for GPT-4, GPT-4o and GPT-3.5 Turbo?
December 7, 2024 - GPT-4o-mini is the most affordable option, costing significantly less than the other models, with a context length of 16k, making it ideal for lightweight tasks that do not require processing large amounts of input or output tokens.
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Creole Studios
creolestudios.com › home › gpt-5 vs gpt-4o api pricing: the complete cost breakdown
GPT-5 vs GPT-4o API Pricing: 2025 Cost Guide
September 23, 2025 - This guide breaks down every GPT-5 and GPT-4o API variant, subscription tiers, caching advantages, and real-world cost examples so you can choose the best model for your 2025 workloads. Key takeaway: Even at the same per-token rate, GPT-5 Thinking variants can cost more per request due to higher output usage — but still beat GPT-4o on performance per dollar. ... ChatGPT 4o Plus vs. Pro ... Free: GPT-5 until usage cap, then GPT-5 Mini fallback.
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Helicone
helicone.ai › llm-cost › provider › openai › model › gpt-4o-mini
OpenAI gpt-4o-mini Pricing Calculator | API Cost Estimation
Explore AI costs with our comprehensive OpenAI gpt-4o-mini Pricing Calculator. Compare prices for 300+ models across 10+ providers, get accurate API pricing, token costs, and budget estimations.
Find elsewhere
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OpenAI
platform.openai.com › docs › models › gpt-4o-mini
GPT-4o mini Model | OpenAI API
It is ideal for fine-tuning, and model outputs from a larger model like GPT-4o can be distilled to GPT-4o-mini to produce similar results at lower cost and latency.
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Microsoft Azure
azure.microsoft.com › en-us › pricing › details › cognitive-services › openai-service
Azure OpenAI Service - Pricing | Microsoft Azure
GPT-4o is the comprehensive, more powerful version designed for complex tasks, while GPT-4o Mini is a smaller, more affordable option ideal for simpler applications where cost-efficiency and speed are priorities. GPT-4o is the most advanced multimodal model that’s faster and cheaper than GPT-4 Turbo with stronger vision capabilities.
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Holori
holori.com › accueil › blog › the ultimate guide to openai pricing: maximize your ai investment
Holori - The Ultimate Guide to OpenAI Pricing: Maximize Your AI investment
March 28, 2025 - GPT-4o (2024-08-06): $2.50 per 1M input tokens, $1.25 for cached input, and $10.00 per 1M output tokens. GPT-4o Mini: $0.15 per 1M input tokens, $0.075 for cached input, and $0.60 per 1M output tokens.
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ThemeIsle
themeisle.com › blog › calculate real chatgpt api cost for gpt-5, o3-mini, and others (data for 2025)
Calculate Real ChatGPT API Cost for GPT-5, o3-mini, and Others (Data for 2025)
August 22, 2025 - These 16k variants – like 4o – (supporting about 16,384 output tokens) still work great for basic dialog applications, and will be more than enough to deliver sufficient depth to whatever you might want to ask. Reasoning models are a different beast altogether. But I’m sure you’ve seen this using OpenAI’s web interface. What is the good thing about this token-based pricing structure? It lets users adjust their API usage according to their operational demands.
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OpenAI
platform.openai.com › docs › pricing
Pricing | OpenAI API
October 7, 2025 - [1] For gpt-4o-mini and gpt-4.1-mini with the web search non-preview tool, search content tokens are charged as a fixed block of 8,000 input tokens per call. Build, deploy, and optimize production-grade agents with Agent Builder, ChatKit, and Evals.
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GPT for Work
gptforwork.com › tools › openai-chatgpt-api-pricing-calculator
OpenAI API Pricing Calculator | GPT for Work
Estimate the cost of using various AI APIs such as OpenAI, Anthropic, Deepseek, Gemini, Mistral with this pricing calculator.
Published   October 15, 2025
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OpenAI
openai.com › api › pricing
API Pricing
1For gpt-4o-mini and gpt-4.1-mini with the web search non-preview tool, search content tokens are charged as a fixed block of 8,000 input tokens per call.
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OpenAI
openai.com › chatgpt › pricing
ChatGPT Pricing | OpenAI
The free version of ChatGPT is available to everyone. Upgrading to Plus, Business, or Enterprise offers a more powerful experience through additional features and access to GPT‑4.
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OpenAI
platform.openai.com › pricing
API Pricing
Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.
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ChatGPT
chatgpt.com › pricing
ChatGPT Plans | Free, Plus, Pro, Business and Enterprise
2 weeks ago - Flexible**Plan: Enterprise, Feature: GPT-5 thinking mini, Flexible** Plan: Free, Feature: GPT-4o, No · StandardPlan: Plus, Feature: GPT-4o, Standard · Unlimited*Plan: Pro, Feature: GPT-4o, Unlimited* Unlimited*Plan: Business, Feature: GPT-4o, Unlimited* Unlimited*Plan: Enterprise, Feature: GPT-4o, Unlimited* Plan: Free, Feature: GPT-4.1, No ·
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DataCamp
datacamp.com › blog › gpt-4o-mini
What Is GPT-4o Mini? How It Works, Use Cases, API & More | DataCamp
July 21, 2024 - It costs $0.15 per million input tokens and $0.60 per million output tokens, significantly cheaper than the GPT-4o model, which is priced at $5.00 per million input tokens and $15.00 per million output tokens.