Add Higgsfield provider and update Runway to v0.2.0
- New: Higgsfield video provider with multi-model routing (Kling 3.0, Veo 3.1, Sora 2, WAN 2.5, Soul Cinema) and Soul ID character consistency - Updated: Runway provider with gen4_aleph and gen3a_turbo models, proper pixel-ratio mapping, probe_output, watermark param, RUNWAYML_API_SECRET env var support - Docs: Updated provider counts (12→13), tool counts (51→52), added Higgsfield setup/pricing sections across README, AGENT_GUIDE, ARCHITECTURE, and PROVIDERS
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@@ -259,20 +259,19 @@ Google TTS offers 700+ voices across 50+ languages. Voice names follow the patte
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---
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### Runway — Gen-4 Video
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### Runway — Gen-3/Gen-4 Video
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> **Highest-rated AI video quality.** #1 on Elo rankings. Professional-grade video generation.
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> **Highest-rated AI video quality.** #1 on Elo rankings. Professional-grade video generation with Gen-3 Alpha Turbo, Gen-4 Turbo, and Gen-4 Aleph models.
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**Tools unlocked:** `runway_video`
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**Env var:** `RUNWAY_API_KEY`
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#### Setup
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1. Go to [app.runwayml.com/signup](https://app.runwayml.com/signup) and create an account
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1. Go to [dev.runwayml.com](https://dev.runwayml.com/) and create a developer account
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2. Subscribe to a paid plan (Standard or above — API requires subscription)
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3. Go to **Settings > API Keys** at [app.runwayml.com/settings/api-keys](https://app.runwayml.com/settings/api-keys)
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4. Click **Create API Key**, copy it
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5. Add to `.env`: `RUNWAY_API_KEY=key_...`
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3. Generate an API key from the developer portal
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4. Add to `.env`: `RUNWAY_API_KEY=key_...`
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#### Pricing
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@@ -287,14 +286,56 @@ Google TTS offers 700+ voices across 50+ languages. Voice names follow the patte
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| Model | Price per second |
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|-------|-----------------|
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| Gen-3 Alpha Turbo | ~$0.05 |
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| Gen-4 Turbo | ~$0.05 |
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| Gen-4 | ~$0.10 |
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| Gen-4.5 | ~$0.25 |
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| Gen-4 Aleph | ~$0.15 |
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**Free tier:** 125 one-time credits (no monthly renewal). Enough for about 5 seconds of Gen-4 video. API access requires a paid subscription.
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---
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### Higgsfield — Multi-Model Video Orchestrator
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> **Multi-model video platform.** Routes to Kling 3.0, Veo 3.1, Sora 2, WAN 2.5, and proprietary Soul Cinema through a single API. Includes Soul ID for character consistency across clips.
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**Tools unlocked:** `higgsfield_video`
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**Env vars:** `HIGGSFIELD_API_KEY` + `HIGGSFIELD_API_SECRET` (or combined `HIGGSFIELD_KEY=key:secret`)
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#### Setup
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1. Go to [cloud.higgsfield.ai](https://cloud.higgsfield.ai/) and create an account
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2. Subscribe to a plan (Starter or above for API access)
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3. Navigate to API Keys section at [cloud.higgsfield.ai/api-keys](https://cloud.higgsfield.ai/api-keys)
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4. Generate an API key and secret
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5. Add to `.env`:
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```
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HIGGSFIELD_API_KEY=your-api-key
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HIGGSFIELD_API_SECRET=your-api-secret
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```
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#### Pricing
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| Plan | Price | Notes |
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|------|-------|-------|
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| Free | $0 | Limited credits |
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| Starter | $15/mo | Basic allocation |
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| Plus | $34/mo | Mid-tier, ~33-56 Kling 3.0 clips |
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| Ultra | $84/mo | High volume |
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**Per-generation costs (approximate, via credits):**
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| Model | Cost per clip |
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|-------|--------------|
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| Kling 3.0 | ~$0.10 (cheapest) |
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| WAN 2.5 | ~$0.10 |
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| Soul Cinema | ~$0.15 |
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| Veo 3.1 | ~$0.50 |
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| Sora 2 | ~$0.50 |
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**Free tier:** Limited credits on signup. No monthly renewal on free plan.
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---
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### HeyGen — Avatar Video Gateway
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> **Multi-model video gateway.** Access VEO, Sora, Runway, Kling, and Seedance through a single API.
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@@ -603,6 +644,7 @@ These tools require only FFmpeg or Python packages — no GPU, no API key.
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| **OpenAI** | `OPENAI_API_KEY` | `openai_tts`, `openai_image` | Paid only |
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| **xAI** | `XAI_API_KEY` | `grok_image`, `grok_video` | Paid only |
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| **Runway** | `RUNWAY_API_KEY` | `runway_video` | Free trial + paid |
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| **Higgsfield** | `HIGGSFIELD_API_KEY` + `HIGGSFIELD_API_SECRET` | `higgsfield_video` | Subscription ($15-84/mo) |
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| **HeyGen** | `HEYGEN_API_KEY` | `heygen_video` | Pay-as-you-go |
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| **Suno** | `SUNO_API_KEY` | `suno_music` | Pay-as-you-go |
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| **Local GPU** | `VIDEO_GEN_LOCAL_ENABLED` | `wan_video`, `hunyuan_video`, `cogvideo_video`, `ltx_video_local` | Free (GPU required) |
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@@ -618,7 +660,7 @@ How many providers cover each capability:
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| Capability | Cloud Providers | Local Providers | Free Options |
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|-----------|----------------|-----------------|--------------|
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| **Image Generation** | FLUX, Grok, Google Imagen, DALL-E 3, Recraft | Local Diffusion | Pexels, Pixabay (stock) |
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| **Video Generation** | Grok, Kling, Runway, Veo, MiniMax, HeyGen | WAN, Hunyuan, CogVideo, LTX | Pexels, Pixabay (stock) |
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| **Video Generation** | Grok, Kling, Runway, Veo, Higgsfield, MiniMax, HeyGen | WAN, Hunyuan, CogVideo, LTX | Pexels, Pixabay (stock) |
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| **Text-to-Speech** | ElevenLabs, Google TTS, OpenAI | Piper | Piper, Google free tier, ElevenLabs free tier |
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| **Music Generation** | ElevenLabs, Suno | — | ElevenLabs free tier |
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| **Post-Production** | — | FFmpeg (compose, stitch, trim, mix, enhance, grade) | All free |
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