feat: expand image model registry to 21 models (v0.13.8)

CHANGELOG.md

@@ -1,5 +1,21 @@
 # Changelog
 
+All notable changes to PRAutoBlogger will be documented in this file.
+
+Format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project uses [Semantic Versioning](https://semver.org/).
+
+## [0.13.8] - 2026-04-26
+
+### Added
+- Image model picker expanded from 7 to 21 models
+- New Runware text-to-image models: Stable Diffusion 3, HiDream-I1 Full/Dev/Fast,
+  FLUX.1 Krea [dev], Qwen-Image, FLUX.2 [dev], FLUX.2 [klein] 9B, FLUX.2 [klein] 4B,
+  GLM-Image, Z-Image, Z-Image-Turbo, TwinFlow Z-Image-Turbo
+- New OpenRouter model: openai/gpt-5.4-image-2
+- Registry now includes last-verified date and update instructions in source comment
+
+
 All notable changes to PRAutoBlogger will be documented in this file.
 
 Format follows [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),

includes/admin/class-image-model-registry.php

@@ -8,6 +8,8 @@ declare(strict_types=1);
  *
  * What: Returns a hardcoded list of image models for the admin model picker.
  *       No API discovery — updated manually when providers add/remove models.
+ *       As of 2026-04-26, registry includes 21 models across Runware (15) and
+ *       OpenRouter (6), ordered cheapest-to-most-expensive within each provider.
  * Who calls it: PRAutoBlogger_Admin_Page (model picker UI + save-time provider
  *               derivation) and PRAutoBlogger_Image_Pipeline (provider lookup).
  * Dependencies: None.
@@ -32,10 +34,15 @@ class PRAutoBlogger_Image_Model_Registry {
 	 * Ordered cheapest-to-most-expensive within each provider, with the
 	 * recommended default (Runware schnell) at the top.
 	 *
+	 * Last verified: 2026-04-26. To update: check https://runware.ai/models (text-to-image section)
+	 * and https://openrouter.ai/api/v1/models filtering output_modalities containing 'image'.
+	 * Exclude: inpainting (needs mask), img2img (needs seedImage), video, upscalers, background removal.
+	 *
 	 * @return array<int, array<string, mixed>>
 	 */
 	public static function get_models(): array {
 		return array(
+			// RUNWARE MODELS
 			array(
 				'id'             => 'runware:100@1',
 				'name'           => 'FLUX.1 schnell (Runware)',
@@ -44,17 +51,122 @@ class PRAutoBlogger_Image_Model_Registry {
 				'capabilities'   => array( 'image_generation' ),
 				'description'    => __( 'Default. Fast, very cheap, comic-friendly fidelity.', 'prautoblogger' ),
 			),
+			array(
+				'id'             => 'runware:twinflow-z-image-turbo@0',
+				'name'           => 'TwinFlow Z-Image-Turbo (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0006,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'Fast text-to-image, same cost as schnell.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:400@2',
+				'name'           => 'FLUX.2 klein 9B (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.00078,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'FLUX.2 compact 9B. Stronger than schnell at similar cost.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:400@4',
+				'name'           => 'FLUX.2 klein 4B (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0006,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'FLUX.2 compact 4B. Newer architecture at schnell price.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:5@1',
+				'name'           => 'Stable Diffusion 3 (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0013,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'Stable Diffusion 3. Sharp text, complex scenes.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:z-image@turbo',
+				'name'           => 'Z-Image Turbo (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0013,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'Fast photorealistic generation.', 'prautoblogger' ),
+			),
 			array(
 				'id'             => 'runware:101@1',
 				'name'           => 'FLUX.1 dev (Runware)',
 				'provider'       => 'runware',
 				'cost_per_image' => 0.02,
 				'capabilities'   => array( 'image_generation' ),
-				'description'    => __( 'Higher fidelity FLUX. ~30x schnell cost.', 'prautoblogger' ),
+				'description'    => __( 'Higher fidelity FLUX.1. ~30x schnell cost.', 'prautoblogger' ),
 			),
+			array(
+				'id'             => 'runware:97@3',
+				'name'           => 'HiDream-I1 Fast (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0038,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'HiDream-I1 Fast. Low latency, 17B quality.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:97@2',
+				'name'           => 'HiDream-I1 Dev (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0045,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'HiDream-I1 Dev. Strong prompt alignment.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:z-image@0',
+				'name'           => 'Z-Image (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0045,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'High-quality Z-Image foundation model.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:400@1',
+				'name'           => 'FLUX.2 dev (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0051,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'FLUX.2 dev. Controllable open text-to-image. From $0.0051.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:108@1',
+				'name'           => 'Qwen-Image (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0058,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'Alibaba Qwen-Image. Strong text rendering in generated images.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:97@1',
+				'name'           => 'HiDream-I1 Full (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.009,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'HiDream-I1 Full. 17B high-fidelity, LoRA support.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:107@1',
+				'name'           => 'FLUX.1 Krea dev (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0098,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'FLUX.1 Krea Dev. Photorealistic open-weight generation.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'runware:glm-image@0',
+				'name'           => 'GLM-Image (Runware)',
+				'provider'       => 'runware',
+				'cost_per_image' => 0.0225,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'GLM-Image. Hybrid autoregressive+diffusion, excellent text rendering.', 'prautoblogger' ),
+			),
+			// OPENROUTER MODELS
 			array(
 				'id'             => 'google/gemini-2.5-flash-image',
-				'name'           => 'Gemini 2.5 Flash Image (Nano Banana)',
+				'name'           => 'Gemini 2.5 Flash Image (OpenRouter)',
 				'provider'       => 'openrouter',
 				'cost_per_image' => 0.005,
 				'capabilities'   => array( 'image_generation' ),
@@ -62,31 +174,39 @@ class PRAutoBlogger_Image_Model_Registry {
 			),
 			array(
 				'id'             => 'google/gemini-3.1-flash-image-preview',
-				'name'           => 'Gemini 3.1 Flash Image (Nano Banana 2)',
+				'name'           => 'Gemini 3.1 Flash Image (OpenRouter)',
 				'provider'       => 'openrouter',
 				'cost_per_image' => 0.008,
 				'capabilities'   => array( 'image_generation' ),
-				'description'    => __( 'Latest Google. Better quality.', 'prautoblogger' ),
-			),
-			array(
-				'id'             => 'google/gemini-3-pro-image-preview',
-				'name'           => 'Gemini 3 Pro Image (Nano Banana Pro)',
-				'provider'       => 'openrouter',
-				'cost_per_image' => 0.03,
-				'capabilities'   => array( 'image_generation' ),
-				'description'    => __( 'Highest quality Google. Premium.', 'prautoblogger' ),
+				'description'    => __( 'Latest Google Flash image. Better quality.', 'prautoblogger' ),
 			),
 			array(
 				'id'             => 'openai/gpt-5-image-mini',
-				'name'           => 'GPT-5 Image Mini',
+				'name'           => 'GPT-5 Image Mini (OpenRouter)',
 				'provider'       => 'openrouter',
 				'cost_per_image' => 0.02,
 				'capabilities'   => array( 'image_generation' ),
 				'description'    => __( 'OpenAI budget image model.', 'prautoblogger' ),
 			),
+			array(
+				'id'             => 'openai/gpt-5.4-image-2',
+				'name'           => 'GPT-5.4 Image 2 (OpenRouter)',
+				'provider'       => 'openrouter',
+				'cost_per_image' => 0.02,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'OpenAI GPT-5.4 image generation.', 'prautoblogger' ),
+			),
+			array(
+				'id'             => 'google/gemini-3-pro-image-preview',
+				'name'           => 'Gemini 3 Pro Image (OpenRouter)',
+				'provider'       => 'openrouter',
+				'cost_per_image' => 0.03,
+				'capabilities'   => array( 'image_generation' ),
+				'description'    => __( 'Highest quality Google image. Premium.', 'prautoblogger' ),
+			),
 			array(
 				'id'             => 'openai/gpt-5-image',
-				'name'           => 'GPT-5 Image',
+				'name'           => 'GPT-5 Image (OpenRouter)',
 				'provider'       => 'openrouter',
 				'cost_per_image' => 0.08,
 				'capabilities'   => array( 'image_generation' ),

prautoblogger.php

@@ -9,7 +9,7 @@
  * Plugin Name:       PRAutoBlogger
  * Plugin URI:        https://peptiderepo.com/prautoblogger
  * Description:       Monitors social media for trending topics, generates SEO-friendly blog posts using AI, and publishes them on a daily schedule with full cost tracking and self-improvement metrics.
- * Version:           0.13.7
+ * Version:           0.13.8
  * Requires at least: 6.0
  * Requires PHP:      7.4
  * Author:            PeptideRepo
@@ -35,7 +35,7 @@ if ( ! defined( 'ABSPATH' ) ) {
 | Defined here so every file in the plugin can reference paths, versions,
 | and limits without magic strings.
 */
-define( 'PRAUTOBLOGGER_VERSION', '0.13.7' );
+define( 'PRAUTOBLOGGER_VERSION', '0.13.8' );
 define( 'PRAUTOBLOGGER_DB_VERSION', '1.1.0' );
 define( 'PRAUTOBLOGGER_PLUGIN_FILE', __FILE__ );
 define( 'PRAUTOBLOGGER_PLUGIN_DIR', plugin_dir_path( __FILE__ ) );

tests/unit/Services/ImageModelRegistryTest.php

@@ -99,4 +99,56 @@ class ImageModelRegistryTest extends BaseTestCase {
 			\PRAutoBlogger_Image_Model_Registry::provider_for( '' )
 		);
 	}
+
+	/**
+	 * Test that runware:400@4 resolves to runware provider.
+	 */
+	public function test_provider_for_runware_400_at_4(): void {
+		$this->assertSame(
+			'runware',
+			\PRAutoBlogger_Image_Model_Registry::provider_for( 'runware:400@4' )
+		);
+	}
+
+	/**
+	 * Test that runware:glm-image@0 resolves to runware provider.
+	 */
+	public function test_provider_for_runware_glm_image(): void {
+		$this->assertSame(
+			'runware',
+			\PRAutoBlogger_Image_Model_Registry::provider_for( 'runware:glm-image@0' )
+		);
+	}
+
+	/**
+	 * Test that openai/gpt-5.4-image-2 resolves to openrouter provider.
+	 */
+	public function test_provider_for_gpt_5_4_image_2(): void {
+		$this->assertSame(
+			'openrouter',
+			\PRAutoBlogger_Image_Model_Registry::provider_for( 'openai/gpt-5.4-image-2' )
+		);
+	}
+
+	/**
+	 * Test that get_models() returns 21 models.
+	 */
+	public function test_get_models_returns_21_models(): void {
+		$models = \PRAutoBlogger_Image_Model_Registry::get_models();
+		$this->assertCount( 21, $models );
+	}
+
+	/**
+	 * Test that every model has required non-empty fields.
+	 */
+	public function test_every_model_has_required_fields(): void {
+		$models = \PRAutoBlogger_Image_Model_Registry::get_models();
+		foreach ( $models as $model ) {
+			$this->assertNotEmpty( $model['id'] ?? '', 'Model missing id' );
+			$this->assertNotEmpty( $model['name'] ?? '', 'Model missing name' );
+			$this->assertNotEmpty( $model['provider'] ?? '', 'Model missing provider' );
+			$this->assertTrue( isset( $model['cost_per_image'] ), 'Model missing cost_per_image' );
+			$this->assertIsNumeric( $model['cost_per_image'], 'cost_per_image is not numeric' );
+		}
+	}
 }