OpenAI model

GPT-4o-mini API

Send openai/gpt-4o-mini when you want cheap OpenAI vision and tools inside 128,000 tokens. Listed price is 0.15 / 0.6. This is not GPT-5 Mini: that id is 400,000 tokens at 0.25 / 2 with an 80% Safe Hit Rate. 4o-mini has no CacheSafety row.

Read quickstartEstimate cost
OpenAIPlatform curatedCatalog
Function CallingVision
Input price$0.15 / 1M tokens
Output price$0.6 / 1M tokens
Context length128k tokens
Max output8.2k tokens

What is GPT-4o-mini API in NextModel?

Send openai/gpt-4o-mini when you want cheap OpenAI vision and tools inside 128,000 tokens. Listed price is 0.15 / 0.6. This is not GPT-5 Mini: that id is 400,000 tokens at 0.25 / 2 with an 80% Safe Hit Rate. 4o-mini has no CacheSafety row.

GPT-4o-mini via NextModel: 128k-token context; $0.15 / 1M tokens in / $0.6 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

Best use cases

  • High-volume 128k OpenAI calls.
  • A cheaper 4o-family id than openai/gpt-4o at 2.50 / 10.
  • Short multimodal work that does not need a 400k window.

When not to use

  • You need 400k or the measured cache id. That is openai/gpt-5-mini.
  • You need the 4o id specifically. That is openai/gpt-4o.
  • Cache safety matters and you have no own eval. This id is unmeasured.

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"openai/gpt-4o-mini","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

Try it in the playground

Similar alternatives

OpenAICatalog

GPT-4.1

GPT-4.1 via NextModel: 1M-token context; $2 / 1M tokens in / $8 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

$2 / 1M tokensInput$8 / 1M tokensOutput1MContext
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
View details
OpenAICatalog

GPT-4.1 Mini

GPT-4.1 Mini via NextModel: 1M-token context; $0.4 / 1M tokens in / $1.60 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

$0.4 / 1M tokensInput$1.60 / 1M tokensOutput1MContext
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
View details
OpenAICatalog

GPT-4.1 Nano

GPT-4.1 Nano via NextModel: 1M-token context; $0.1 / 1M tokens in / $0.4 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.

$0.1 / 1M tokensInput$0.4 / 1M tokensOutput1MContext
Best forimage understanding, multimodal chat
StreamingTool callingJSON modeVision
Platform curatedCurated and maintained in the NextModel catalog
View details

Compare GPT-4o-mini

GPT-4o-mini vs GPT-4.1GPT-4o-mini vs GPT-4.1 MiniGPT-4o-mini vs GPT-4.1 NanoGPT-4o-mini vs GPT-4oGPT-4o-mini vs GPT-5

Reading

Articles that explain GPT-4o-mini

FAQ

GPT-4o-mini API questions

What model id do I send for GPT-4o-mini?

Send openai/gpt-4o-mini to https://api.nextmodel.app/v1.

Is this GPT-5 Mini?

No. GPT-5 Mini is openai/gpt-5-mini, 400k, measured. This is openai/gpt-4o-mini, 128k, unmeasured.

Price versus 4o?

4o-mini 0.15 / 0.6. 4o 2.50 / 10. Same listed 128,000 token window.

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