Google Gemini

Overview

Google offers Gemini models which perform well in benchmarks.

Supported modes:

• OutputMode::MdJson - fallback mode
• OutputMode::Json - recommended
• OutputMode::Tools - supported

Here’s how you can use Instructor with Gemini API.

<?php

use Cognesy\Polyglot\Inference\Inference;
use Cognesy\Utils\Str;

require 'examples/boot.php';

$answer = (new Inference)
    ->using('gemini') // see /config/llm.php
    ->wiretap(fn($e) => $e->print()) // optional, for debugging
    ->withDebugPreset('detailed')
    ->with(
        messages: [['role' => 'user', 'content' => 'What is the capital of France']],
        options: ['max_tokens' => 64]
    )
    ->get();

echo "USER: What is capital of France\n";
echo "ASSISTANT: $answer\n";
assert(Str::contains($answer, 'Paris'));
?>