How do I use Gemini 2.5 Pro through YepAPI?

Sign up for a free API key, then send requests to the /v1/ai/chat endpoint.

GoogleText Generation/v1/ai/chat

Gemini 2.5 Pro

Access Gemini 2.5 Pro through one API key. Google's most capable model with 1M context.

Google's most capable model. Advanced reasoning, coding, math, and multimodal understanding with a massive context window.

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2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Send a message and see Gemini 2.5 Pro respond in real time.

POST/v1/ai/chatgoogle/gemini-2.5-pro

Message *

Max Tokens

Maximum tokens in the response.

Stream

Real-time tokens

Hit "Send Request" to see the response

Context Window

1M tokens

Max Output

8K tokens

Input Price

$3.50 / 1M tokens

Output Price

$14.00 / 1M tokens

Strengths

✓

1M token context

Processes up to 1,000,000 tokens per request, so it can reason over entire codebases, document sets, or long media transcripts at once.

✓

Advanced reasoning

Google's most capable Gemini, tuned for multi-step reasoning and harder analytical problems beyond what Flash targets.

✓

Math & coding

Strong on quantitative problem solving and code generation across languages, with the context room to hold large source files.

✓

Multimodal

Understands images and other modalities alongside text, enabling analysis that mixes documents, diagrams, and visuals.

Quick start

Copy this snippet and start making calls with Gemini 2.5 Pro.

const res = await fetch('https://api.yepapi.com/v1/ai/chat', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "google/gemini-2.5-pro",
    "messages": [
      {
        "role": "user",
        "content": "Explain API gateways in 2 sentences."
      }
    ],
    "maxTokens": 256
  }),
});
const { data } = await res.json();
console.log(data.message.content);

Why use Gemini 2.5 Pro through YepAPI?

✓One API key for all models — no separate accounts

✓OpenAI SDK compatible — just change the base URL

✓No monthly minimums — pay per token

✓Switch models with one line of code

✓Full provider passthrough — citations, search results, and all extras included

✓Streaming and non-streaming support on every model

✓Works with Cursor, Claude, LangChain, and any LLM tool

✓Unified billing across all providers

Gemini 2.5 Pro API — pricing, context window & access

Gemini 2.5 Pro is Google's most capable model, pairing advanced reasoning and multimodal understanding with a 1,000,000-token context window. It returns up to 8,192 output tokens per response.

With YepAPI you reach Gemini 2.5 Pro through one OpenAI-compatible key — the same key that also covers Gemini 2.5 Flash, GPT-4o, Claude, and the SEO, SERP and scraping APIs.

What is Gemini 2.5 Pro?

Gemini 2.5 Pro is the flagship of Google's Gemini 2.5 family, above the speed-focused Flash. It's the model Google positions for advanced reasoning, math, coding, and multimodal understanding — the version you use when a task demands depth rather than just throughput. Like Flash it carries a 1,000,000-token context window, but it pairs that enormous capacity with stronger analytical ability, so it can both ingest huge inputs and reason rigorously over them. It's a fit for hard technical and quantitative work that also involves a lot of context.

Build with Gemini 2.5 Pro via YepAPI

YepAPI serves Gemini 2.5 Pro on the OpenAI-compatible /v1/ai/chat endpoint. Call Google's model using the chat-completions format and the model string gemini-2.5-pro — no Google SDK needed. Dropping to Gemini 2.5 Flash for cheaper, faster jobs, or switching to GPT-4o or Claude, is one string. The same key also reaches search and scraping endpoints, so reasoning-heavy apps and data pipelines share a single account.

Gemini 2.5 Pro API pricing — $3.50 / 1M input, $14.00 / 1M output

Gemini 2.5 Pro costs $3.50 per 1M input tokens and $14.00 per 1M output tokens through YepAPI. That mid-flagship pricing buys both a 1M-token window and Google's strongest reasoning, so you can load very large inputs and still get rigorous analysis. Because the window is so big, keep an eye on input volume on full-corpus jobs. You pay only for tokens used, making it sensible to reserve Pro for tasks that need its depth and route simpler work to Flash.

Gemini 2.5 Pro for math & coding

Gemini 2.5 Pro is the Gemini tier to reach for on hard quantitative and engineering problems. Its stronger reasoning handles multi-step math, algorithm design, and debugging, while the 1M-token context lets it hold an entire codebase or problem set in view at once. Add multimodal understanding and it can reason over diagrams and figures alongside code and text — useful for technical analysis that spans more than plain prose.

Try Gemini 2.5 Pro free

Every new YepAPI account includes $5 in free credit, no card required. That's enough to test Gemini 2.5 Pro's reasoning on a real coding or math problem against a large context first. Create an account, copy your key, and start calling Gemini 2.5 Pro.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

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What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”
Marcus T.
SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”
Priya S.
Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”
Jake R.
Indie Hacker

Frequently asked questions

Google's most capable model. Advanced reasoning, coding, math, and multimodal understanding with a massive context window.

Input tokens cost $3.50 per 1M tokens and output tokens cost $14.00 per 1M tokens through YepAPI. No monthly minimums — you only pay for what you use.

Gemini 2.5 Pro supports a 1M token context window with up to 8K output tokens per request.