Last refreshed 2026-06-15. Next refresh: weekly.
Why use GPT-5 Mini on OpenRouter?
OpenRouter offers GPT-5 Mini with pay-as-you-go pricing at $0.25/1M 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 Mini across 4 providers to find the best fit for your use caseInput / 1M
$0.25
Output / 1M
$2.00
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-miniModel ID
openai/gpt-5-miniRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
openai/gpt-5-mini.Gotchas
- Use provider model ID "openai/gpt-5-mini", not the LLMReference slug "gpt-5-mini".
Compare GPT-5 Mini Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| Replicate API | $0.25 | $2.00 |
| OpenRouter | $0.25 | $2.00 |
| OpenAI API | $0.25 | $2.00 |
| Vercel AI Gateway | $0.25 | $2.00 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.25 |
| Output tokens | $2.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch API
About GPT-5 Mini
Near-frontier intelligence for cost-sensitive, low-latency, high-volume workloads. Released August 2025. Replaces o4-mini (shutting down Oct 2026).
Get Started
Model Specs
Released2025-08-07
Context400k
ArchitectureDecoder Only
Knowledge cutoff2024-05