o4-mini
OpenAI's small, fast reasoning model, released April 2025 alongside o3, notably strong at math.
- Context
- 200K tokens
- Max output
- 100K
- Cutoff
- Released
Hosted API price
List price via OpenAI · per 1M tokens
- Input
- $1.10 /1M
- Output
- $4.40 /1M
- Cheapest
- $1.00 / $4.00 via Replicate
- Hosted by
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3 providers
Hosted API pricing
How we price
Order
Providers are listed cheapest input rate first, then by output rate, a tie going to the creator's own listing. A provider that lists the model without a published rate sits at the end.
Prices
Base-tier, on-demand rates in USD per 1M tokens, converted at ECB reference rates where a provider publishes in another currency. Cached-input and batch rates show only where a provider publishes them. "Cheapest" marks the one provider with the lowest input and output pair; a tie wears no badge.
Cost
Input rate times the input tokens plus output rate times the output tokens, at the monthly volume set above the table. Cached-input, batch, long-context and reasoning-token billing are not modelled.
Transparency and funding
- Affiliates: Affiliate links are marked. We may earn a commission if you click them, but commissions never affect the order.
Every provider serving o4-mini, cheapest input first. Set your monthly volume to see what each would bill.
| Provider | Input /1M | Output /1M | Cached input /1M | Cost at 10M in + 2M out | Link |
|---|---|---|---|---|---|
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$1.00 | $4.00 | $18.00 | Visit website | |
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$1.10 | $4.40 | $0.275 | $19.80 | Visit website |
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$1.10 | $4.40 | $0.275 | $19.80 | Visit website |
Heads up: Base-tier, on-demand rates per 1M tokens; cached, batch and long-context tiers excluded. A provider may serve a shorter context or a quantized build than the creator's release. Verify before provisioning. More on how we price.
Similarly priced models
The models nearest o4-mini by blended rate, each at its own cheapest provider.
| Model | Blended /1M | Input /1M | Output /1M | Context | Cutoff | vs o4-mini |
|---|---|---|---|---|---|---|
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$1.375 | $0.75 | $4.50 | 400K | Aug 2025 | −8% |
|
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$1.375 | $0.90 | $3.75 | 262K | −8% | |
|
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$1.4583 | $1.25 | $2.50 | 1M | −3% | |
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$1.4583 | $1.25 | $2.50 | 1M | −3% | |
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$1.4583 | $1.25 | $2.50 | 1M | −3% | |
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$1.50 | $1.00 | $4.00 | 200K | Jun 2024 | |
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$1.65 | $1.10 | $4.40 | 200K | Oct 2023 | +10% |
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$1.6667 | $1.00 | $5.00 | 200K | Feb 2025 | +11% |
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$1.6667 | $1.20 | $4.00 | 205K | +11% | |
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$1.6667 | $1.20 | $4.00 | 205K | +11% | |
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$1.6667 | $1.00 | $5.00 | 1M | +11% |
USD per 1M tokens at each model's cheapest listed provider. Blended is the cost of 10M input plus 2M output tokens, spread over the 12M.
Capabilities
What o4-mini accepts and can do, as published by OpenAI.
- Text Accepts and generates natural-language text.
- Image Accepts images as input alongside text.
- Reasoning Thinks before it answers, always on or as a switchable mode.
- Function calling Connect to external tools, APIs, and systems.
- Structured output Return responses in structured formats like JSON.
- Web search Search the web for up-to-date information.
- Code execution Write and execute code in a sandboxed environment.
- File upload Process uploaded documents, spreadsheets, and other files.
- MCP Connect to services via Model Context Protocol.
Common questions
What is o4-mini good for?
Cost-sensitive reasoning with tools, coding and visual tasks, as OpenAI's small o-series model. It sits in the lower half of OpenAI's price range.
When is o4-mini not a good fit?
New projects: OpenAI says GPT-5 Mini succeeds it and plans to shut it down in October 2026. Its knowledge is older and its inputs shorter than the GPT-5 line's, and there is no audio or video input.
What is the cheapest way to run o4-mini?
The cheapest hosted rate is $1.00 / $4.00 per 1M tokens via Replicate; the creator's list price is $1.10 / $4.40.
How does o4-mini compare with o3-mini?
OpenAI says o4-mini beats o3-mini on non-STEM tasks and data science, not just math and coding, and like o3 it is trained to use tools inside its reasoning and can think with images. Same price and 200K-token context. o4-mini came out 3 months later, has a newer knowledge cutoff (June 2024 against October 2023) and takes image input, which o3-mini does not.
Can I self-host o4-mini?
No. OpenAI does not publish the weights; o4-mini is available only through hosted APIs.
More from OpenAI
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GPT-5.4 Mini
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From $0.75 / $4.50 /1M in / out at the cheapest provider -
o3-mini
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GPT-5
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GPT-5.1
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o3
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From $2.00 / $8.00 /1M in / out at the cheapest provider -
GPT-6 Sol
1M context · cutoff Apr 2026
From $2.00 / $10.00 /1M in / out at the cheapest provider -
GPT-5.6 Sol
1M context · cutoff Feb 2026
From $2.00 / $10.00 /1M in / out at the cheapest provider