Google
Gemini 2.5 PRO
Gemini 2.5 PRO is a reasoning model by Google with vision, function calling, web search, 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 $1.25 per million input tokens and $10 per million output tokens. Access Gemini 2.5 PRO through Inworld Router with OpenAI SDK compatibility, built-in failover, and intelligent routing across providers.
→Function CallingWeb SearchReasoningResponse SchemaVisionreasoningCapabilityresponseFormatCapability
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/gemini-2.5-pro-a",
"model_id": "google/gemini-2.5-pro"
},
"weight": 33
},
{
"variant": {
"variant_id": "google-ai-studio/gemini-2.5-pro-b",
"model_id": "google-ai-studio/gemini-2.5-pro"
},
"weight": 33
},
{
"variant": {
"variant_id": "google/gemini-2.5-flash-c",
"model_id": "google/gemini-2.5-flash"
},
"weight": 34
}
]
}
}'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 PRO pricing and providers
Access Gemini 2.5 PRO through Inworld Router or Realtime API via 2 inference providers. Compare pricing and specs across providers below. By using the AI provider(s) below you acknowledge you reviewed and agree to their terms listed in the Legal section under the AI provider's name.
| Capabilities | Input modalities | Output modalities | |||||
|---|---|---|---|---|---|---|---|
| Google | 1M | 65.5K | $1.25 | $10.00 | +4 | ||
 Google AI Studio | 1M | 65.5K | $1.25 | $10.00 | +5 |
Other Google models available through Inworld
Compare Gemini 2.5 PRO with other Google models available through Inworld Router or Realtime API.
| Capabilities | Input modalities | Output modalities | Inference provider | |||||
|---|---|---|---|---|---|---|---|---|
| Gemini 2.5 Flash | 1M | 65.5K | $0.30 | $2.50 | +5 | |||
| Gemini 2.5 Flash Image | 32.8K | 32.8K | $0.30 | $2.50 | ||||
| Gemini 2.5 Flash Lite | 1M | 65.5K | $0.10 | $0.40 | +5 | |||
| Gemini 2.5 Flash Lite Preview 09 2025 | 1M | 65.5K | $0.10 | $0.40 | +5 | |||
| Gemini 3 Flash Preview | 1M | 65.5K | $0.50 | $3.00 | +5 | |||
| Gemini 3.1 Flash Image Preview | 65.5K | 32.8K | $0.50 | $3.00 | +2 | |||
| Gemini 3.1 Flash Lite | 1M | 65.5K | $0.25 | $1.50 | +5 | |||
| Gemini 3.1 PRO Preview | 1M | 65.5K | $2.00 | $12.00 | +5 | |||
| Gemini 3.1 PRO Preview Customtools | 1M | 65.5K | $2.00 | $12.00 | +5 | |||
| Gemini 3.5 Flash | 1M | 65.5K | $1.50 | $9.00 | +5 | |||
| Gemma 4 26b A4b It Maas | 128K | — | $0.15 | $0.60 | +2 | |||
| Google/gemma 3 12b It | 131.1K | 131.1K | $0.05 | $0.15 | +1 | |||
| Google/gemma 3 27b It | 131.1K | 131.1K | $0.08 | $0.16 | +1 | |||
| Google/gemma 3 4b It | 131.1K | 131.1K | $0.05 | $0.10 | ||||
| Google/gemma 4 26B A4B It | 262.1K | — | $0.07 | $0.34 | +3 | |||
| Google/gemma 4 31B It | 262.1K | — | $0.13 | $0.38 | +3 | |||
| Models/gemma 4 26b A4b It | 262.1K | — | $0.07 | $0.34 | +2 | |||
| Models/gemma 4 31b It | 262.1K | — | $0.13 | $0.38 | +2 |
Start building with Gemini 2.5 PRO
Access Gemini 2.5 PRO and every other model through Inworld Router or Realtime API. Create your free account and start routing in minutes.