Gathos Blog

Use cases and engineering notes on AI image, voice, video, and agent workflows.

Engineering · Agent Skills

How “agent skills” quietly became a standard, and why portable single-file prompts won

Across Claude Code, Cursor, Windsurf, and the new wave of CLI agents, a single pattern has emerged. Skills are markdown files dropped into a known directory. Here’s how the convention crystallized in 2025-2026, who shaped it, and what it means for API providers.

Apr 4, 2026

Gathos — AI Image, TTS, and Video APIs for Agents

Gathos is an API platform for AI agents. It ships three creative REST APIs: image generation with pixel-perfect long-text rendering, text-to-speech with zero-shot voice cloning across 600+ languages, and Creator text-to-video with generated audio. Pro is $18 per month; Creator adds video at $45 per month.

What is Gathos?

Gathos replaces the common stack of Nano Banana Pro + ElevenLabs + Midjourney, and Creator reduces the need to stitch separate Veo 3 or Seedance-style video workflows onto that stack. It is designed for shell-capable AI agents including Claude Code, Cursor, Windsurf, Gemini CLI, OpenClaw, Aider, GitHub Copilot, ChatGPT Custom GPTs, and Continue. The image API renders readable long paragraphs, headlines, and UI labels inside generated images — the exact thing that competing models (Nano Banana Pro, Midjourney, DALL·E, ChatGPT image) consistently garble. The TTS API clones any voice from a 5–30 second reference sample, zero-shot, and synthesizes speech in more than 600 languages and accents.

Pricing

Pro plan: $18 / month for image and TTS APIs. Creator plan: $45 / month and adds text-to-video with generated audio. No per-image fees or per-character metering. Cancel anytime. Free trial: 7 days with up to 20 calls per day across the creative APIs (140 calls total), the same 6-hour burst window and concurrency limits as the paid plan. No credit card required. Competitor benchmarks (current as of April 2026): Nano Banana Pro via Gemini API is $0.134/image at 1K–2K resolution and $0.24/image at 4K, so 1,000 images costs $134–$240. ElevenLabs TTS with voice cloning runs $5–$990 per month depending on character volume and tier. Midjourney is $10–$120/month with image quotas. Gathos at $18 flat saves a typical mid-volume team $150–$1,500 per month.

Features

Image Generation API — pixel-perfect long-text rendering, outputs 1024×1024 / 1024×1280 / 864×1536 / 1536×864 PNGs, any visual style.
TTS API — zero-shot voice cloning, 6 preset voices (Josh, Koko, Pixxy, Prof, Rochie, Spraky) plus unlimited custom voices, 600+ languages.
Video Generation API — Creator text-to-video with generated audio, optional Styles, async polling, and MP4 output.
Agent-native REST — Bearer-token authentication, standard JSON request/response, async job polling for images and video.
Pre-built MIT-licensed agent skills — Idea-to-Presentation (.pptx + narrated .mp4), YouTube Video Factory (1920×1080 .mp4 + thumbnail), Script-to-Reel (1080×1920 vertical .mp4). One-line install: curl -sL https://gathos.com/install.sh | bash.
Unlimited calls at one flat price — no credits, no per-image fees, no metered tokens.

Frequently asked questions

Which agents does Gathos work with?: Any shell-capable AI agent, including Claude Code, Cursor, Windsurf, Gemini CLI, OpenClaw, Aider, GitHub Copilot, ChatGPT Custom GPTs, and Continue.
Is the image generator actually better at text?: Yes. Gathos renders long paragraphs and multi-line headlines with correct typography inside images. Nano Banana Pro, Midjourney, and ChatGPT image consistently garble text past a short headline.
How does the trial work?: 7 days, 20 calls per day combined across image and TTS, capped at 140 total. Same 6-hour window and concurrency as the paid plan. No credit card required.
How do I get the agent skills?: Sign in at Sign in and open the Skills tab in your dashboard. Each skill ships with a one-line install command scoped to your API key.