Google: gemini-2.5-flash
gemini-2.5-flash
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gemini-2.5-flash is a multimodal large language model from Google’s Gemini family, in the fast and cost-efficient “Flash” tier. It’s designed to handle text and image inputs with low latency and relatively low cost, making it suitable for high-traffic applications, lightweight assistants, and interactive product features. Compared with heavier Gemini tiers (like Pro or Ultra), Flash models generally trade some peak reasoning depth and raw capability for speed and scalability, while still covering common tasks such as chat, content generation, basic coding help, and everyday analysis. It targets developers who need responsive, production-ready AI experiences without the overhead of the largest premium models.
Pricing
Current price per 1,000,000 tokens. Every request is billed automatically from its exact usage.
Included in plans
Statistics
Live performance and usage of this model, aggregated across all users.
Detailed statistics appear here as soon as this model starts receiving requests.
API
Call this model from any OpenAI-compatible client using your API token.
curl https://apiex.cloud/api/v1/chat/completions \
-H "Authorization: Bearer $NEW_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "gemini-2.5-flash",
"messages": [
{
"role": "user",
"content": "Explain quantum entanglement in one paragraph."
}
],
"temperature": 0.7
}'Authentication
Every request must include an Authorization: Bearer <TOKEN> header. Generate a token from your account's API Keys page — its access to models is set automatically from your active plans and redeemed codes, and you can set its rate limit and IP restrictions.
| Parameter | Type | Description |
|---|---|---|
model | string, required | This model's ID, exactly as shown above. |
messages | array, required | Conversation history as role/content objects (system, user, assistant). |
temperature | number, optional | Sampling randomness, typically 0–2. |
max_tokens | integer, optional | Upper limit on tokens generated in the reply. |
top_p | number, optional | Nucleus-sampling threshold, as an alternative to temperature. |
stream | boolean, ignored | Responses are always returned in full so the exact cost can be billed; streaming is not available. |
Replace YOUR_API_KEY with a token from your account, then see the full API reference for every parameter.
Frequently asked questions
What is gemini-2.5-flash?
gemini-2.5-flash is a multimodal large language model from Google’s Gemini family, in the fast and cost-efficient “Flash” tier. It’s designed to handle text and image inputs with low latency and relatively low cost, making it suitable for high-traffic applications, lightweight assistants, and interactive product features. Compared with heavier Gemini tiers (like Pro or Ultra), Flash models generally trade some peak reasoning depth and raw capability for speed and scalability, while still covering common tasks such as chat, content generation, basic coding help, and everyday analysis. It targets developers who need responsive, production-ready AI experiences without the overhead of the largest premium models.
How much does gemini-2.5-flash cost?
Input tokens are priced at $0,36 per 1,000,000 tokens and output tokens at $3,00 per 1,000,000 tokens. Pricing is billed automatically per request; no separate plan is required.
What is the context length of gemini-2.5-flash?
gemini-2.5-flash supports a context window of up to 1,048,576 tokens.
Does gemini-2.5-flash support image input?
Yes, gemini-2.5-flash accepts image input in addition to text.
Which provider is gemini-2.5-flash from?
gemini-2.5-flash is developed by Google and made available on this gateway through our routing infrastructure.
When was gemini-2.5-flash added to this gateway?
gemini-2.5-flash has been available on this gateway since September 23, 2026.
Is gemini-2.5-flash currently available?
Yes, gemini-2.5-flash is active and can be used right now through this gateway.
