Chat completions

Documentation Index

Fetch the complete documentation index at: https://docs.ai-stats.phaseo.app/llms.txt

Use this file to discover all available pages before exploring further.

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Example

<?php

require 'vendor/autoload.php';

use AIStats\Sdk\AIStats;

$apiKey = getenv('AI_STATS_API_KEY');
$client = new AIStats(apiKey: $apiKey);

$response = $client->createChatCompletion([
    'model' => 'openai/gpt-4o-mini',
    'messages' => [[
        'role' => 'user',
        'content' => 'Write a limerick about lighthouses.',
    ]],
    'temperature' => 0.5
]);
echo $response['choices'][0]['message']['content'];

​

Key parameters

• model (required): Target model id.
• messages (required): Ordered messages with roles system|user|assistant|tool; content as MessageContent objects.
• Sampling: temperature (0–2), top_p (0–1), top_k (>=1), seed (int, optional).
• Length/penalties: max_output_tokens (int), presence_penalty and frequency_penalty (-2 to 2), stop (string|string[]).
• Tools: tools (definitions), tool_choice (auto/none/specific tool), max_tool_calls (int), parallel_tool_calls (bool).
• Logprobs: logprobs (bool), top_logprobs (0–20).
• Output: response_format (json/text), meta (bool to include meta block), stream (bool), service_tier.
• Gateway extras: usage (bool to request usage).

​

Returns

{
	"id": "chatcmpl-123",
	"object": "chat.completion",
	"created": 1677652288,
	"model": "gpt-3.5-turbo-0125",
	"choices": [
		{
			"index": 0,
			"message": {
				"role": "assistant",
				"content": "Hello there, how may I assist you today?"
			},
			"finish_reason": "stop"
		}
	],
	"usage": {
		"prompt_tokens": 9,
		"completion_tokens": 12,
		"total_tokens": 21
	}
}