Head-to-head · OpenAI vs Google
GPT-5 vs Gemini 2.5 Pro
GP
GPT-5
OpenAI · API: from $5/M tokens
vs
G2
Gemini 2.5 Pro
Google · API: $1.25/M tokens
Last refreshed May 2026. Data drawn from our editorial reviews and the per-profession relevance matrix.
At a glance
| Dimension | GPT-5 | Gemini 2.5 Pro |
|---|---|---|
| Vendor | OpenAI | |
| Starting price | API: from $5/M tokens | API: $1.25/M tokens |
| Pricing model | Paid | Paid |
| Free tier | No | No |
| Category | Generative AI | Generative AI |
| Editorial rating | ★ 4.0 | ★ 4.0 |
Bottom line
For most teams, either is a defensible default — the full GPT-5 review and the full Gemini 2.5 Pro review have the per-feature detail.