Last refreshed 2026-06-15. Next refresh: weekly.
Why use GPT-5 Pro on OpenRouter?
OpenRouter offers GPT-5 Pro with pay-as-you-go pricing at $15.00/1M input tokens. OpenRouter is a multi-provider LLM aggregator offering unified API access to 300+ models from all major labs and emerging providers, with automatic failover for reliability.
Compare GPT-5 Pro across 3 providers to find the best fit for your use caseInput / 1M
$15.00
Output / 1M
$120.00
Cache
Not sourced
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: openai/gpt-5-proModel ID
openai/gpt-5-proRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
openai/gpt-5-pro.Gotchas
- Use provider model ID "openai/gpt-5-pro", not the LLMReference slug "gpt-5-pro".
Compare GPT-5 Pro Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Vercel AI Gateway | $15.00 | $120.00 |
| OpenRouter | $15.00 | $120.00 |
| OpenAI API | $15.00 | $120.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $15.00 |
| Output tokens | $120.00 |
| Image input | $1.00 |
Capabilities
VisionMultimodalJSON / Tool useStructured OutputsCode Execution
About GPT-5 Pro
GPT-5 Pro is OpenAI's most advanced GPT-5 tier, offering major improvements in reasoning, code quality, and user experience for enterprise and power-user applications at 400K context.
Get Started
Model Specs
Released2025-10-01
Context400k
ArchitectureDecoder Only
Knowledge cutoff2024-09