← Back to all comparisons
Side-by-side
GPT-5 mini vs GPT-5
OpenAI vs OpenAI — head-to-head specs and pricing.
OpenAI
GPT-5 mini
Fast, cheap, still smart.
GPT-5 mini is a smaller variant of GPT-5 optimized for throughput and cost. Great default for chat and classification.
OpenAI
GPT-5
OpenAI's flagship general-purpose model.
GPT-5 is OpenAI's flagship LLM — strong reasoning, tool use, vision, and JSON mode. Drop-in for anything you'd use GPT-4o for.
| Spec | GPT-5 mini | GPT-5 |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Input cost / 1M tokens | $0.18 | $3.00 |
| Output cost / 1M tokens | $0.72 | $12.00 |
| Context window | 128,000 tokens | 256,000 tokens |
| Max output tokens | 8,000 | 16,000 |
| Streaming support | ✓ | ✓ |
| Tool calling | ✓ | ✓ |
| Vision input | ✓ | ✓ |
| JSON mode | ✓ | ✓ |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates OpenAI, OpenAI, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.
More comparisons: