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GPT 4o

openai/gpt-4o

GPT 4o is a large language model by OpenAI with support for vision, function calling, prompt caching, and structured output. It supports a 128K token context window with up to 16K tokens of output. Priced at $2.5 per million input tokens and $10 per million output tokens. Access GPT 4o through Inworld LLM Inference with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

Input
$2.50
Output
$10.00
Cache read
$1.25
Context
128K
Max output
16.4K
TextImageFile→Text
Function CallingPrompt CachingStructured outputVision
Run on your server. Set INWORLD_API_KEY to your API key. Python requires pip install openai; JavaScript requires Node.js 18+; save it as example.mjs.
curl --fail-with-body https://api.inworld.ai/v1/chat/completions \
  -H "Authorization: Basic $INWORLD_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
    "model": "openai/gpt-4o",
    "messages": [{"role": "user", "content": "Hello"}],
    "stream": true
  }'
Model GPT 4oOpenAI SDK compatible

Pricing and providers

Access GPT 4o through Inworld LLM Inference or speech to speech via OpenAI. By using the providers below you agree to their terms, listed under each provider's name in the Legal section.

Modalities
OpenAIThis pageopenai/gpt-4o
$2.50$10.00$1.25—128K16.4K
TextImageFile→Text
Prices in USD per 1M tokens.

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