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OpenAI
openai.com › api › pricing
Pricing | OpenAI
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
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.
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
gpt4-o mini pricing
Hi, Just noticed today the gpt4-o mini is available for GA and listed on the link https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models#how-do-i-access-the-gpt-4o-and-gpt-4o-mini-models But on the pricing is not listed on… More on learn.microsoft.com
🌐 learn.microsoft.com
2
0
August 1, 2024
GPT-4.5 has an API price of $75/1M input and $150/1M output. ChatGPT Plus users are going to get 5 queries per month with this level of pricing.
This is the the kind of pricing you'd offer for something you didn't really want people using. More on reddit.com
🌐 r/OpenAI
294
928
February 27, 2025
GPT 4o-mini vs 4.1-nano ??
I am a bit surprised by the comments because I am finding 4.1-nano to be better than 4o-mini for my current use case. Both are extremely cheap to run so if you're reading this wondering which to use, just run a batch off 5-10 calls for each and do a comparison and decide. More on reddit.com
🌐 r/OpenAI
23
17
May 9, 2025
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Microsoft Azure
azure.microsoft.com › en-us › pricing › details › cognitive-services › openai-service
Azure OpenAI Service - Pricing | Microsoft Azure
If your assistant calls Code Interpreter simultaneously in two different threads, this would create two Code Interpreter sessions (2 * $-). Each session is active by default for one hour, which means that the price is for up to one hour of giving instructions to Code Interpreter in the same thread. Featured in the Realtime API, the GPT-4o-Realtime-Preview supports multilingual speech-to-speech capabilities. Optimized for real-time, low-latency conversations, it enables natural interactions with minimal delay, ideal for chatbots and conversational AI.
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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.
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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 › azure › model › gpt-4o-mini
Azure gpt-4o-mini Pricing Calculator | API Cost Estimation
Explore AI costs with our comprehensive Azure gpt-4o-mini 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.
Find elsewhere
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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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LLM Stats
llm-stats.com › home › models › gpt-4o mini
GPT-4o mini: Pricing, Context Window, Benchmarks, and More
July 18, 2024 - With a context window of 128K tokens and support for text and vision, it offers low-cost, real-time applications such as customer support chatbots. Priced at 15 cents per million input tokens and 60 cents per million output tokens, it is ...
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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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OpenAI
platform.openai.com › docs › models › compare
Compare models | OpenAI API
GPT-4o mini · Fast, affordable small model for focused tasks · Learn morePlayground · Intelligence · Speed · Input · Output · Reasoning tokens · Pricing · Per 1M tokens · Input · $0.15 · Cached Input · $0.08 · Output · $0.60 · ...
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NeuralTalk AI
neuraltalk.ai › calculators › gpt-4o-mini-finetuned
GPT-4o Mini Fine-tuning Pricing Calculator
Transform customer support with NeuralTalk AI's intelligent chatbots. Get detailed analytics, chat logs, and complete interaction history.
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Finetunedb
finetunedb.com › blog › how-much-does-it-cost-to-finetune-gpt-4o-mini
How Much Does It Cost to Fine-Tune GPT-4o mini? | FinetuneDB
September 2, 2024 - When considering the cost of fine-tuning GPT-4o mini, it’s important to factor in not just the training costs but also the inference costs. After fine-tuning, developers often ask whether there are additional charges for using the fine-tuned model. The answer is yes.
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Strathweb
strathweb.com › 2024 › 10 › how-gpt-4o-mini-can-be-simultaneously-20x-cheaper-and-2x-more-expensive-than-gpt-4o
How GPT-4o-mini can be simultaneously 20x cheaper and 2x more expensive than GPT-4o | Strathweb. A free flowing tech monologue.
October 25, 2024 - This would imply that 10 000 images in low resolution mode should cost us about 0.125$. However, the fixed cost for GPT-4o-mini is a surprising 2833 tokens (!). So even with cheaper price per tokens, the costs climb up quickly.
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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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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 - OpenAIs August 2025 release of GPT-5 has shaken up the AI landscape — not just with performance upgrades, but with aggressive API pricing that undercuts the legacy GPT-4o model. For the first time, developers get more capability for less cost, with GPT-5’s flagship, mini, nano, and “thinking” variants all coming in cheaper per token than GPT-4o equivalents.
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LangDB
langdb.ai › app › providers › openai › gpt-4o-mini
gpt-4o-mini by openai | AI Model Pricing, Performance & API Access | LangDB
November 11, 2025 - Access gpt-4o-mini by openai through LangDB's unified AI gateway. View real-time pricing (Input: $0.15/1M tokens, Output: $0.6/1M tokens), performance metrics, benchmarks, and API documentation. Compare with 335+ other AI models.
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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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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 - Confused by OpenAI's pricing? Learn how to calculate ChatGPT API cost according to use case. Includes hidden expenses and optimization tips.
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Microsoft Learn
learn.microsoft.com › en-us › answers › questions › 1851479 › gpt4-o-mini-pricing
gpt4-o mini pricing - Microsoft Q&A
August 1, 2024 - Hi, Just noticed today the gpt4-o mini is available for GA and listed on the link https://learn.microsoft.com/en-us/azure/ai-services/openai/concepts/models#how-do-i-access-the-gpt-4o-and-gpt-4o-mini-models But on the pricing is not listed on…