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Side-by-side
GPT-5 vs Command R+
OpenAI vs Cohere — head-to-head specs and pricing.
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.
Cohere
Command R+
Cohere's flagship RAG-optimized model.
Command R+ — optimized for retrieval-augmented generation with inline citations and tool use.
| Spec | GPT-5 | Command R+ |
|---|---|---|
| Provider | OpenAI | Cohere |
| Input cost / 1M tokens | $3.00 | $3.00 |
| Output cost / 1M tokens | $12.00 | $12.00 |
| Context window | 256,000 tokens | 128,000 tokens |
| Max output tokens | 16,000 | — |
| Streaming support | ✓ | ✓ |
| Tool calling | ✓ | ✓ |
| Vision input | ✓ | — |
| JSON mode | ✓ | — |
| Status | ACTIVE | ACTIVE |
Use both via OneAPIKey — one key, one bill
OneAPIKey aggregates OpenAI, Cohere, 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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