GO
Gemini 2.5 Pro
$0.06
per request
CheapestOA
GPT-5.1 Codex
OpenAI
$0.06
per request
OA
GPT-5
OpenAI
$0.06
per request
10,000
5,000
Cost per Request
Context Window
Pricing Breakdown
| Metric | Gemini 2.5 Pro | GPT-5.1 Codex | GPT-5 |
|---|---|---|---|
| Input Price | $1.25/MTok | $1.25/MTok | $1.25/MTok |
| Output Price | $10.00/MTok | $10.00/MTok | $10.00/MTok |
| Cached Input | $0.13/MTok | $0.13/MTok | $0.13/MTok |
| Cost / Request | $0.06 | $0.06 | $0.06 |
| Daily (100 req) | $6.25 | $6.25 | $6.25 |
| Monthly (100 req/day) | $187.50 | $187.50 | $187.50 |
Features & Capabilities
| Feature | Gemini 2.5 Pro | GPT-5.1 Codex | GPT-5 |
|---|---|---|---|
| Context Window | 1M | 400K | 400K |
| Max Output | 65.5K | 32K | 32K |
| Caching | Yes | Yes | Yes |
| Batch API | No | Yes | Yes |
| Vision | Yes | Yes | Yes |
| Tool Use | Yes | Yes | Yes |
| Best For | reasoningcoding | codingrefactoring | generalreasoning |