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Home/Cheapest OpenAI Model Worth Using
Best budget pickOpenAI · Pricing

Cheapest OpenAI Model Worth Using

GPT-4o Mini is OpenAI's cheapest model at $0.15/1M input tokens — 99% less than the flagship GPT-5.2. It is also the best capability-per-dollar pick in the lineup.

Last verified Jul 1, 2026/Model data modified Jul 1, 2026
Rankings refresh dailyScored on 6 criteriaNo paid rankings
OpenAIBudget
Input cost
$0.15/1M
Context
128k tokens
Speed
Very fast

Clear recommendation block

The shortest way to see the safest default, the lower-cost option, and the specialist pick before you read deeper.

Best overall model

GPT-4o Mini

View
Why this recommendation

GPT-4o Mini is the safest overall answer here when you want the strongest default instead of the lowest list price.

OpenAIBudget
Best for
High-volume everyday tasks where GPT-4o quality is overkill
Price
$0.15/1M
Context
128k tokens
Best budget model

Meta: Llama 3.1 8B Instruct

View
Why this recommendation

Meta: Llama 3.1 8B Instruct is the lower-cost option to start with when you still need useful output at scale.

MetaBudget
Best for
High-throughput applications where cost and speed matter more than frontier-level quality, such as chatbots, content classification, and text summarization.
Price
$0.02/1M
Context
16k tokens
Best for speed

GPT-5.2 Mini

View
Why this recommendation

GPT-5.2 Mini is the better pick when response speed matters more than maximum reasoning depth.

OpenAIBalanced
Best for
Budget technical workflows and high-volume product integrations
Price
$1.20/1M
Context
128k tokens

Why this page recommends it

GPT-4o Mini is the lowest-cost OpenAI model: $0.15/1M input, $0.6/1M output.

GPT-4o Mini is the best capability-per-dollar pick (budget score 93/100).

GPT-5.2 costs 80x more on input — reserve it for work where quality is the bottleneck.

Decision notes

Choose GPT-4o Mini for high-volume, low-stakes tasks like classification, extraction, and drafts.

Choose GPT-4o Mini as the everyday default if you want one budget model.

Route only the hardest tasks to GPT-5.2 — a two-tier setup usually cuts spend 60–80%.

Interactive decision lab

Test the recommendation against your priority

Switch the scoring lens to see whether the top answer changes when you care more about cost, speed, or long-document work.

#1GPT-5.587 pts
#2GPT-5.481 pts
#3GPT-5.275 pts
#4GPT-4o Mini68 pts
#5GPT-5.2 Mini68 pts
Quality first

GPT-5.5

OpenAI / Premium / May 28, 2026

87

Best OpenAI flagship for agentic coding, research, and computer-use work.

Ranks models by the broadest mix of coding, writing, research, and long-context usefulness.

Cost
$30.00/1M
$180.00/1M out
Speed
Balanced
3/100 score
Context
1M tokens
input window
View model
Data-backed recommendation
Avoid this pick if

You only care about the highest public coding benchmark score or need a cheaper high-volume model.

Recommended comparisons

The fastest way to see where the recommendation shifts when your priority changes.

OpenAIBudgetBest budget pick

GPT-4o Mini

OpenAI's fastest, cheapest option for everyday high-volume tasks.

Best use case
High-volume everyday tasks where GPT-4o quality is overkill
Input
$0.15/1M
Pricing
Budget
Speed
Very fast
Context
128k tokens
BudgetFastOpenAI
OpenAIBalancedOption 2

GPT-5.2 Mini

Solid OpenAI budget option, though Gemini Flash offers better value.

Best use case
Budget technical workflows and high-volume product integrations
Input
$1.20/1M
Pricing
Balanced
Speed
Fast
Context
128k tokens
Budget codingFastOpenAI
OpenAIPremiumOption 3

GPT-5.4

Best for agentic automation and desktop control workflows.

Best use case
Agentic workflows, desktop automation, and complex multi-step reasoning
Input
$0.20/1M
Pricing
Premium
Speed
Balanced
Context
272k tokens
AgenticDesktop controlReasoning
OpenAIPremiumOption 4

GPT-5.5

Best OpenAI flagship for agentic coding, research, and computer-use work.

Best use case
Agentic coding, computer-use workflows, and complex research tasks
Input
$30.00/1M
Pricing
Premium
Speed
Balanced
Context
1M tokens
AgenticCodingComputer use
OpenAIBalancedOption 5

GPT-4o

Best all-around pick for image-heavy and multimodal workflows.

Best use case
Multimodal tasks and image-adjacent workflows
Input
$0.15/1M
Pricing
Balanced
Speed
Fast
Context
128k tokens
ImagesMultimodalCreative
OpenAIPremiumOption 6

GPT-5.2

Capable but outclassed — GPT-5.4 is now cheaper and better.

Best use case
Serious coding and complex product work
Input
$1.75/1M
Pricing
Premium
Speed
Balanced
Context
200k tokens
Former top pickCodingReasoning

Pros

Extremely low cost at $0.15/1M input — among the cheapest OpenAI models

Very fast response times suitable for interactive user-facing apps

Strong enough for most writing, summarisation, and classification tasks

Cons

Noticeably weaker than GPT-5.2 Mini on complex reasoning and multi-step tasks

Not suitable for hard coding challenges or deep document research

DeepSeek V3 now offers better coding quality at comparable pricing

Explore related decisions

Browse all modelsCompare pricingView GPT-4o MiniView GPT-5.2 MiniView GPT-5.4GPT 4O MiniOpenaiBest cheap AIBest Cheap AI API in 2026AI API Cost CalculatorCompare pricing

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FAQ

What is the cheapest OpenAI model?

GPT-4o Mini at $0.15/1M input and $0.6/1M output tokens. OpenAI's fastest, cheapest option for everyday high-volume tasks.

Is the cheapest OpenAI model good enough for real work?

GPT-4o Mini is the best capability-per-dollar pick in OpenAI's lineup (budget score 93/100). It handles high-volume everyday tasks where gpt-4o quality is overkill well — step up to GPT-5.2 only where quality visibly falls short.

How much cheaper is GPT-4o Mini than OpenAI's flagship?

GPT-4o Mini costs $0.15/1M input vs $12/1M for GPT-5.2 — a 99% saving on input tokens.

Which cheap OpenAI model has the largest context window?

GPT-5.5 — 1M tokens at $5/1M input.