Google

Gemini 2.5 Flash Lite

Name: Gemini 2.5 Flash Lite
Brand: Google
Price: 0.1 USD
Availability: InStock

Gemini 2.5 Flash Lite is a reasoning model by Google with vision, function calling, web search, prompt caching, structured output — designed for complex, multi-step problem solving where accuracy matters more than speed. It supports a 1M token context window with up to 66K tokens of output. Priced at $0.1 per million input tokens and $0.4 per million output tokens, it is one of the most cost-efficient options in its class. Access Gemini 2.5 Flash Lite through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.

→Function CallingWeb SearchReasoningPrompt CachingResponse SchemaVision

Use This Model

Step 1 — Create Router

curl --location 'https://api.inworld.ai/router/v1/routers' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "name": "compare-frontier-models",
  "defaultRoute": {
    "route_id": "default",
    "variants": [
      {
        "variant": {
          "variant_id": "google-vertex/gemini-2.5-flash-lite-a",
          "model_id": "google-vertex/gemini-2.5-flash-lite"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "google-ai-studio/gemini-2.5-flash-lite-b",
          "model_id": "google-ai-studio/gemini-2.5-flash-lite"
        },
        "weight": 33
      },
      {
        "variant": {
          "variant_id": "google-ai-studio/gemini-2.0-flash-c",
          "model_id": "google-ai-studio/gemini-2.0-flash"
        },
        "weight": 34
      }
    ]
  }
}'

import requests

response = requests.post(
    "https://api.inworld.ai/router/v1/routers",
    headers={
        "Authorization": "Basic <your-api-key>",
        "Content-Type": "application/json",
    },
    json={
        "name": "compare-frontier-models",
        "defaultRoute": {
            "route_id": "default",
            "variants": [
                {
                    "variant": {
                        "variant_id": "google-vertex/gemini-2.5-flash-lite-a",
                        "model_id": "google-vertex/gemini-2.5-flash-lite"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "google-ai-studio/gemini-2.5-flash-lite-b",
                        "model_id": "google-ai-studio/gemini-2.5-flash-lite"
                    },
                    "weight": 33
                },
                {
                    "variant": {
                        "variant_id": "google-ai-studio/gemini-2.0-flash-c",
                        "model_id": "google-ai-studio/gemini-2.0-flash"
                    },
                    "weight": 34
                }
            ]
        }
    },
)
print(response.json())

const response = await fetch(
  "https://api.inworld.ai/router/v1/routers",
  {
    method: "POST",
    headers: {
      Authorization: "Basic <your-api-key>",
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: "compare-frontier-models",
      defaultRoute: {
        route_id: "default",
        variants: [
          {
            variant: {
              variant_id: "google-vertex/gemini-2.5-flash-lite-a",
              model_id: "google-vertex/gemini-2.5-flash-lite",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "google-ai-studio/gemini-2.5-flash-lite-b",
              model_id: "google-ai-studio/gemini-2.5-flash-lite",
            },
            weight: 33,
          },
          {
            variant: {
              variant_id: "google-ai-studio/gemini-2.0-flash-c",
              model_id: "google-ai-studio/gemini-2.0-flash",
            },
            weight: 34,
          },
        ],
      },
    }),
  }
);
const data = await response.json();
console.log(data);

Step 2 — Chat Completion

curl --location 'https://api.inworld.ai/v1/chat/completions' \
--header 'Authorization: Basic <your-api-key>' \
--header 'Content-Type: application/json' \
--data '{
  "model": "inworld/compare-frontier-models",
  "messages": [{"role": "user", "content": "Hello!"}]
}'

Gemini 2.5 Flash Lite pricing and providers

Access Gemini 2.5 Flash Lite through Inworld Router or Realtime API via 2 inference providers. Compare pricing and specs across providers below.

					Capabilities	Input modalities	Output modalities
Google Vertex	1M	65.5K	$0.10	$0.40	+3
Google AI Studio	1M	65.5K	$0.10	$0.40	+3

Other Google models available through Inworld

Compare Gemini 2.5 Flash Lite with other Google models available through Inworld Router or Realtime API.

					Capabilities
Gemini 2.0 Flash	1M	8.2K	$0.10	$0.40	+2
Gemini 2.0 Flash 001	1M	8.2K	$0.15	$0.60	+2
Gemini 2.0 Flash Lite	1M	8.2K	$0.075	$0.30	+2
Gemini 2.0 Flash Lite 001	1M	8.2K	$0.075	$0.30	+2
Gemini 2.5 Flash	1M	65.5K	$0.30	$2.50	+3
Gemini 2.5 Flash Image	32.8K	32.8K	$0.30	$2.50	+1
Gemini 2.5 Flash Lite Preview 09 2025	1M	65.5K	$0.10	$0.40	+3
Gemini 2.5 PRO	1M	65.5K	$1.25	$10.00	+3
Gemini 3 Flash Preview	1M	65.5K	$0.50	$3.00	+3
Gemini 3 PRO Image Preview	65.5K	32.8K	$2.00	$12.00	+1
Gemini 3.1 Flash Image Preview	65.5K	32.8K	$0.50	$3.00	+1
Gemini 3.1 Flash Lite Preview	1M	65.5K	$0.25	$1.50	+3
Gemini 3.1 PRO Preview	1M	65.5K	$2.00	$12.00	+3
Gemini 3.1 PRO Preview Customtools	1M	65.5K	$2.00	$12.00	+3
Gemini Flash Latest	1M	65.5K	$0.30	$2.50	+3
Gemini Flash Lite Latest	1M	65.5K	$0.10	$0.40	+3
Gemini PRO Latest	1M	65.5K	$1.25	$10.00	+3
Gemma 3 12b	131.1K	131.1K	$0.04	$0.13
Gemma 3 27b	131.1K	131.1K	$0.08	$0.16
Gemma 3 4b	131.1K	131.1K	$0.04	$0.08

Start building with Gemini 2.5 Flash Lite

Access Gemini 2.5 Flash Lite and every other model through Inworld Router or Realtime API. Create your free account and start routing in minutes.

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