Gemini 2.5 Pro API
Use 1M context with one OmniaKey API key.
- Model ID
- gemini-2.5-pro
- Context
- 1M
- Provider
- Input · USD / 1M tokens
- <=200K$0.5 USD200K-1M$1 USD
- Official price $1.25 USD
- Output · USD / 1M tokens
- <=200K$4 USD200K-1M$6 USD
- Official price $10 USD
- Savings
- 60%
- Last verified
- 2026-07-22
01
Where it fits
Use it for clients pinned to the 2.5 Pro model ID rather than the newer 3.1 preview route.
02
Model capabilities
Vision
Accepts visual input alongside text for multimodal coding and analysis tasks.
Tool use
Can select and call tools in agent workflows that support structured tool use.
03
OpenAI-compatible API
Keep your client and change the base URL, API key, and model ID.
curl https://api.omniakey.com/v1/chat/completions \
-H "Authorization: Bearer $OMNIAKEY_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-2.5-pro",
"messages": [{"role": "user", "content": "Explain this codebase"}],
"stream": true
}'04
Compatible coding tools
More Google models
Frequently asked questions
How much does Gemini 2.5 Pro cost on OmniaKey?
Rates vary with input context length: <=200K: Input $0.5 USD, Output $4 USD, Cache hit / 1M $0.05 USD; 200K-1M: Input $1 USD, Output $6 USD, Cache hit / 1M $0.1 USD.
What is the context window for Gemini 2.5 Pro?
The listed context window is 1M. Actual usable limits can also depend on the client and upstream request format.
Which coding tools work with Gemini 2.5 Pro?
The current catalog lists compatibility with Cursor, Cline, Aider. Use the model ID shown on this page when the client supports model selection.