fluxtokens/fluxtokens-php

Official FluxTokens PHP SDK - Access GPT-4.1, Gemini 2.5 and more at 30% lower cost

Maintainers

Package info

github.com/fluxtokens/fluxtokens-php

Homepage

pkg:composer/fluxtokens/fluxtokens-php

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Installs: 1

Dependents: 0

Suggesters: 0

Stars: 1

Open Issues: 0

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v1.0.0 2026-01-11 22:19 UTC

Requires

Requires (Dev)

MIT 60f118758808ff2f26b89dec936d6c370b12fbcb

  • FluxTokens <support.woop@fluxtokens.io>

apisdkchataiGeminiopenaigptllmgpt-4fluxtokens

This package is not auto-updated.

Last update: 2026-04-06 22:13:03 UTC

README

Packagist Version PHP Version License: MIT

Official PHP SDK for the FluxTokens API

Access GPT-4.1, Gemini 2.5 Flash and more at 30% lower cost than competitors.

Website · Documentation · Dashboard

Installation

composer require fluxtokens/fluxtokens-php

Quick Start

<?php

require 'vendor/autoload.php';

use FluxTokens\FluxTokens;

$client = new FluxTokens('sk-flux-your-api-key');

$response = $client->chat()->completions()->create([
    'model' => 'gpt-4.1-mini',
    'messages' => [
        ['role' => 'system', 'content' => 'You are a helpful assistant.'],
        ['role' => 'user', 'content' => 'Hello!'],
    ],
]);

echo $response['choices'][0]['message']['content'];

Available Models

Model Provider Input Price Output Price Max Tokens Vision Audio Video
gpt-4.1-mini OpenAI $0.28/1M $1.12/1M 16,384 ✅ ❌ ❌
gpt-4.1-nano OpenAI $0.07/1M $0.28/1M 16,384 ✅ ❌ ❌
gemini-2.5-flash Google $0.21/1M $1.75/1M 65,536 ✅ ✅ ✅

Usage Examples

Basic Chat Completion

$response = $client->chat()->completions()->create([
    'model' => 'gpt-4.1-mini',
    'messages' => [
        ['role' => 'user', 'content' => 'What is the capital of France?'],
    ],
    'temperature' => 0.7,
    'max_tokens' => 256,
]);

echo $response['choices'][0]['message']['content'];
// Output: "The capital of France is Paris."

Streaming Responses

$stream = $client->chat()->completions()->stream([
    'model' => 'gemini-2.5-flash',
    'messages' => [
        ['role' => 'user', 'content' => 'Write a haiku about programming.'],
    ],
]);

foreach ($stream as $chunk) {
    $content = $chunk['choices'][0]['delta']['content'] ?? '';
    echo $content;
    flush();
}

Vision (Image Analysis)

$response = $client->chat()->completions()->create([
    'model' => 'gpt-4.1-mini',
    'messages' => [
        [
            'role' => 'user',
            'content' => [
                ['type' => 'text', 'text' => 'What is in this image?'],
                [
                    'type' => 'image_url',
                    'image_url' => [
                        'url' => 'https://example.com/image.jpg',
                        'detail' => 'high',
                    ],
                ],
            ],
        ],
    ],
    'max_tokens' => 500,
]);

Audio Input (Gemini only)

$audioData = base64_encode(file_get_contents('audio.mp3'));

$response = $client->chat()->completions()->create([
    'model' => 'gemini-2.5-flash',
    'messages' => [
        [
            'role' => 'user',
            'content' => [
                ['type' => 'text', 'text' => 'Transcribe this audio:'],
                [
                    'type' => 'input_audio',
                    'input_audio' => [
                        'data' => $audioData,
                        'format' => 'mp3',
                    ],
                ],
            ],
        ],
    ],
]);

System Messages

$response = $client->chat()->completions()->create([
    'model' => 'gpt-4.1-mini',
    'messages' => [
        ['role' => 'system', 'content' => 'You are a pirate. Always respond in pirate speak.'],
        ['role' => 'user', 'content' => 'How are you today?'],
    ],
]);
// Output: "Ahoy, matey! I be doin' just fine, thank ye fer askin'!"

List Available Models

$models = $client->models()->list();

foreach ($models as $model) {
    echo "{$model['name']} ({$model['provider']})\n";
    echo "  Input: \${$model['input_price']}/1M tokens\n";
    echo "  Output: \${$model['output_price']}/1M tokens\n";
    echo "  Vision: " . ($model['supports_vision'] ? '✅' : '❌') . "\n";
}

Configuration Options

$client = new FluxTokens('sk-flux-...', [
    'base_url' => 'https://api.fluxtokens.io', // Custom base URL
    'timeout' => 60,                            // Request timeout in seconds
    'max_retries' => 3,                         // Max retries on rate limit/server errors
]);

Error Handling

use FluxTokens\Exceptions\AuthenticationException;
use FluxTokens\Exceptions\RateLimitException;
use FluxTokens\Exceptions\InsufficientBalanceException;
use FluxTokens\Exceptions\BadRequestException;
use FluxTokens\Exceptions\FluxTokensException;

try {
    $response = $client->chat()->completions()->create([
        'model' => 'gpt-4.1-mini',
        'messages' => [['role' => 'user', 'content' => 'Hello']],
    ]);
} catch (AuthenticationException $e) {
    echo "Invalid API key\n";
} catch (RateLimitException $e) {
    echo "Rate limit exceeded, retry after: " . $e->getRetryAfter() . "\n";
} catch (InsufficientBalanceException $e) {
    echo "Please add credits at https://fluxtokens.io/dashboard/billing\n";
} catch (BadRequestException $e) {
    echo "Invalid request: " . $e->getMessage() . "\n";
} catch (FluxTokensException $e) {
    echo "Error: " . $e->getMessage() . "\n";
}

Requirements

  • PHP 8.1+
  • Guzzle HTTP 7.0+

Support

License

MIT © FluxTokens