Compare

GPT-4o vs GPT-4o Mini

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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GPT-4o
openai/gpt-4o
GPT-4o Mini
openai/gpt-4o-mini
Provider
OpenAI
OpenAI
Family
GPT-4
GPT-4
Modality
text
text
Context window
128,000 tok
128,000 tok
Max output
16,384 tok
16,384 tok
Released
2026-05-22
2026-05-22
License
Proprietary
Proprietary
Input price
$2.50 /1M
$0.150 /1M
Output price
$10.00 /1M
$0.600 /1M
Tools
Streaming
yes
yes
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
GPT-4o
openai/gpt-4o
Full spec →

GPT-4o is OpenAI’s multimodal flagship, accepting text and images and responding quickly across a wide range of tasks.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
GPT-4o Mini
openai/gpt-4o-mini
Full spec →

GPT-4o Mini is the lightweight, low-cost variant of GPT-4o, well suited to high-volume tasks with multimodal inputs.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

GPT-4.1 vs GPT-4o
openai/gpt-4.1 · openai/gpt-4o
GPT-4.1 vs GPT-4o Mini
openai/gpt-4.1 · openai/gpt-4o-mini
GPT-4.1 Mini vs GPT-4o
openai/gpt-4.1-mini · openai/gpt-4o
GPT-4.1 Mini vs GPT-4o Mini
openai/gpt-4.1-mini · openai/gpt-4o-mini
GPT-4.1 Nano vs GPT-4o
openai/gpt-4.1-nano · openai/gpt-4o
GPT-4.1 Nano vs GPT-4o Mini
openai/gpt-4.1-nano · openai/gpt-4o-mini
GPT-4o vs GPT-4o Transcribe
openai/gpt-4o · openai/gpt-4o-transcribe
GPT-4o Mini vs GPT-4o Transcribe
openai/gpt-4o-mini · openai/gpt-4o-transcribe
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# GPT-4o
client.chat.completions.create(
    model="openai/gpt-4o",
    messages=[{"role":"user","content":"hello"}],
)

# GPT-4o Mini
client.chat.completions.create(
    model="openai/gpt-4o-mini",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →