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Side-by-side
Claude Opus 4.7 vs GPT-5 mini
Anthropic vs OpenAI — head-to-head specs and pricing.
Anthropic
Claude Opus 4.7
Anthropic's most capable model.
Claude Opus is Anthropic's flagship — top-tier reasoning, agentic behavior, 1M context window, native tool use.
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.
| Spec | Claude Opus 4.7 | GPT-5 mini |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Input cost / 1M tokens | $18.00 | $0.18 |
| Output cost / 1M tokens | $90.00 | $0.72 |
| Context window | 1,000,000 tokens | 128,000 tokens |
| Max output tokens | 32,000 | 8,000 |
| Streaming support | ✓ | ✓ |
| Tool calling | ✓ | ✓ |
| Vision input | ✓ | ✓ |
| JSON mode | — | ✓ |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates Anthropic, OpenAI, and 10 more providers behind a single API. Smart Routing automatically picks the best model per request — or you choose explicitly.
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