GPT-4o mini

GPT-4o mini is OpenAI's small model of the GPT-4o generation, supporting text and image input for cost-efficient chat and everyday tasks.

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input · usd / 1m tok

$0.15

output · usd / 1m tok

$0.60

context window

128ktokens

modalities · in → out

pricing

base api ratesusd per 1m tokens

input: $0.15
output: $0.60
cache read: $0.075

providers

OpenAI hosts GPT-4o mini. Impossibl routes your request intelligently and handles failover automatically when a provider is down.

OpenAI

specifications

takes text and image in, gives text outopenai/gpt-4o-mini

creatorOpenAI
model typeText generation
context window128,000 tokens
maximum outputnot published
input
takes text and image in, gives text out
outputtext
tool callingnot verified
releasedjul 18, 2024
endpoint/v1/chat/completions

unknown means the public catalog does not establish that fact. a model's documented capabilities can differ from what a particular api supports. see the model documentation for integration details.

try it · your prompt, this model, live

# responses API
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["IMPOSSIBL_API_KEY"],
    base_url="https://api.impossibl.com/v1",
)

resp = client.responses.create(
    model="openai/gpt-4o-mini",
    input="▌",
)
print(resp.output_text)

edit the prompt, then run

# responses API
import os
from openai import OpenAI

client = OpenAI(
    api_key=os.environ["IMPOSSIBL_API_KEY"],
    base_url="https://api.impossibl.com/v1",
)

resp = client.responses.create(
    model="openai/gpt-4o-mini",
    input="▌",
)
print(resp.output_text)

edit the prompt, then run

benchmarks

intelligence index

6.7#106 of 108 models on the gateway

coding index11.4#62 of 64
gpqa42.6%#79 of 80
humanity’s last exam4.2%#79 of 87

GPQA42.6%
MMMU-Pro41.5%
IFBench31.0%
LiveCodeBench23.4%
AIME 202514.7%
Humanity’s Last Exam4.2%
Tau Banking2.9%
Multilingual LCR0.0%

Intelligence Index6.66
GDPval Elo-22.82
coding index (API)11.4
intelligence index (API)6.7

view source ↗all source data and breakdowns (json) ↗

each configuration is listed separately; these evaluations describe the tested model configuration, and performance and costs can differ on impossibl. unmeasured scores are omitted and api values keep their source units. last checked 2026-10-14.

compare GPT-4o mini with other models

frontier labs and open weights, best-ranked firstusd / 1m tok · in / out

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frequently asked questions

What is GPT-4o mini?

GPT-4o mini is OpenAI's small model of the GPT-4o generation, supporting text and image input for cost-efficient chat and everyday tasks. It was positioned as OpenAI's most capable small model at launch, offering much of GPT-4o's ability at far lower cost and latency.

How much does GPT-4o mini cost?

GPT-4o mini costs $0.15 per million input tokens and $0.60 per million output tokens through the Impossibl API. Cache reads cost $0.075 per million tokens. All rates are in USD.

view the pricing table ↑

What is the context length of GPT-4o mini?

GPT-4o mini has a 128,000-token context window through the Impossibl API.

What inputs and outputs does GPT-4o mini support?

GPT-4o mini accepts text and image as input. GPT-4o mini returns text.

How do I use GPT-4o mini through an API?

GPT-4o mini is available through the Impossibl API. Use openai/gpt-4o-mini as the model identifier with /v1/chat/completions. The quickstart explains how to create an API key and send your first request.

follow the api quickstart →

When was GPT-4o mini released?

OpenAI released GPT-4o mini on July 18, 2024.

Creator release announcement ↗

this page describes GPT-4o mini as listed by the impossibl public api. prices and availability come from that catalog, refreshed here every five minutes. this is an impossibl offering, not a comparison of independent hosting-provider quotes. model descriptions and release dates, where available, use the creator sources linked under the answers above.

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