OpenAI · Efficient
GPT-4o mini
OpenAI's most cost-efficient small model. Cheaper and smarter than GPT-3.5 (the original ChatGPT), but less performant than gpt-4o.
- Vision
- Input
- Text, Images
- Output
- Text
- Discovery tier
- Efficient
Pricing
USD per 1M tokens- Input
- $0.15
- Output
- $0.60
- Cache read
- $0.075
Reference prices as published by the model provider. API example
Specifications
- Context window
- 128K
- Max output
- 16.4K
- Average output (7 days)
- 29 tokens
- Longer than 1% of 465 models
Side by side
Compare models
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Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
Intelligence Index
6.7
Better than 6% of 326 scored models
Indexes
Coding Index
11.4Composite of the coding evaluations
Better than 7% of 168 scored models
Math Index
14.7Composite of the math evaluations
Better than 16% of 118 scored models
Reasoning and knowledge
Humanity’s Last Exam
4.2%Expert-level questions across academic fields
Better than 8% of 323 scored models
GPQA Diamond
42.6%Graduate-level science questions
Better than 5% of 291 scored models
MMLU-Pro
64.8%Multi-subject knowledge and reasoning
Better than 12% of 132 scored models
IFBench
31.0%Following precise output instructions
Better than 6% of 215 scored models
Coding
LiveCodeBench
23.4%Recent competitive programming problems
Better than 11% of 129 scored models
Math
AIME 2025
14.7%Competition mathematics, 2025 problems
Better than 16% of 118 scored models
AIME
11.7%Competition mathematics
Better than 18% of 72 scored models
MATH-500
78.9%Competition math problems
Better than 31% of 73 scored models
Scores from Artificial Analysis, updated Oct 26, 2026. Artificial Analysis
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Throughput
- 87.8 tok/s
- Faster than 56% of 251 models
- Time to first token
- 1.3 s
- Quicker than 90% of 251 models
- Prompt cache hits
- 10.9%
- About $0.14 per 1M input tokens with caching
- Request success (24h)
- 100.0%
- Reliable
Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-4o-mini",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="openai/gpt-4o-mini",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)OpenAI
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