Last refreshed 2026-06-15. Next refresh: weekly.
Why use GPT-5.4 Mini on OpenRouter?
OpenRouter offers GPT-5.4 Mini with pay-as-you-go pricing at $0.75/1M 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-5.4 Mini across 3 providers to find the best fit for your use caseInput / 1M
$0.75
Output / 1M
$4.50
Cache
read $0.075
Batch
Not sourced
Setup recipe
Docs fallbackInstall
Use the provider REST API or SDKAuth
Create a provider API keyCall
model: openai/gpt-5.4-miniModel ID
openai/gpt-5.4-miniRequest example
Curated snippets for this provider are not sourced yet. Use OpenRouter documentation with model ID
openai/gpt-5.4-mini.Gotchas
- Use provider model ID "openai/gpt-5.4-mini", not the LLMReference slug "gpt-5.4-mini".
Compare GPT-5.4 Mini Across Providers
| Provider | Input (per 1M) | Output (per 1M) |
|---|---|---|
| OpenAI API | $0.75 | $4.50 |
| OpenRouter | $0.75 | $4.50 |
| Vercel AI Gateway | $0.75 | $4.50 |
Pricing
| Type | Price (per 1M) |
|---|---|
| Input tokens | $0.75 |
| Output tokens | $4.50 |
| Image input | $1.00 |
Capabilities
VisionMultimodalReasoningJSON / Tool useStructured OutputsCode ExecutionPrompt CachingBatch API
About GPT-5.4 Mini
GPT-5.4 Mini is a smaller, cost-efficient variant of GPT-5.4 with a 400K token context window. Designed for tasks requiring long-context processing at lower cost. Model ID: gpt-5.4-mini.
Get Started
Model Specs
Released2026-03-05
Context400k
ArchitectureDecoder Only
Knowledge cutoff2025-08