100% Reliable Structured Outputs
The first flagship model to guarantee 100% schema adherence in Strict Mode, removing the need for error-prone retries.
curl --request POST "https://gptproto.com/v1/chat/completions" \
--header "Authorization: Bearer $GPTPROTO_API_KEY" \
--header "Content-Type: application/json" \
--data '{
"model": "gpt-4o-2024-08-06",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'Chat, coding agents & document work. Priced per 1M tokens — input, cached input and output are billed separately. GPTProto is 30% below official rates.
| Scenario | OpenAI list | OpenRouter | GPTProto | You save / mo |
|---|---|---|---|---|
| Personal10M tokens / mo (4.8M cached) | $34.00 | $35.87 | $23.80 | −$10.20≈ $122.40 / yr |
| Team100M tokens / mo (48M cached) | $340.00 | $358.70 | $238.00 | −$102.00≈ $1224.00 / yr |
| Business500M tokens / mo (240M cached) | $1700.00 | $1793.50 | $1190.00 | −$510.00≈ $6120.00 / yr |
Technical highlights that make openai gpt 4o the leading choice for developers and enterprises.
100% Reliable Structured Outputs
The first flagship model to guarantee 100% schema adherence in Strict Mode, removing the need for error-prone retries.
Fast Multimodal Reasoning
Process text and images 2x faster than previous models while maintaining top-tier performance on vision benchmarks.
128k Context & 16k Output
Handle massive documents and generate long-form code or reports without truncation using the expanded output window.
Cost-Efficient Intelligence
Enjoy a 50% price reduction on input tokens compared to GPT-4 Turbo, with additional savings via prompt caching.
Get answers to common questions about using openai gpt 4o through our API, including details on structured outputs, pricing, and latency optimizations.
Guides, comparisons, and updates related to this model.
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