Gemini 2.5 Pro
google/gemini-2.5-proGemini 2.5 Pro is the Pro-tier thinking model of Google's Gemini 2.5 family, released as stable in June 2025 and described by Google as its most advanced model in that family. It is built for reasoning over complex problems in code, math and STEM, and for analyzing large datasets, codebases and documents using long context. It accepts audio, image, video, text and PDF input; Gemini 3.1 Pro Preview is the Pro-tier successor in the Gemini 3 series.
- Input price
- $1.25USD / 1M tokens
- Output price
- $10.00USD / 1M tokens
- Cache read
- $0.13USD / 1M tokens
- Context window
- 1M
- Max output
- 65.5K
Specifications
- Input
- Text, image, audio
- Output
- Text
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OpenAI-compatible endpoint with unified authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1/chat/completions" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"model": "google/gemini-2.5-pro",
"messages": [
{
"role": "user",
"content": "Hello"
}
],
"max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"Questions
FAQ
How do I call Google Gemini 2.5 Pro through SandBase?
Create a SandBase API key, then send requests with the model ID "google/gemini-2.5-pro" to Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does Google Gemini 2.5 Pro cost?
$1.25 per 1M input tokens and $10 per 1M output tokens, billed per request from your SandBase balance. Discounts, when available, are shown in the pricing on this page.
What is the context window of Google Gemini 2.5 Pro?
1M tokens of context, with up to 65.5K output tokens per response.
Which features does Google Gemini 2.5 Pro support?
Google Gemini 2.5 Pro supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.
Do I need a separate Google account?
No. One SandBase API key and balance gives you access to Google Gemini 2.5 Pro and the other models in the catalog; you do not need to sign up with Google separately.