Image Generation
Image Generation
Start with meaning, then move to detail.
This lesson explains Image Generation as part of Hermes internals and extension points. You will learn what it does, when it matters, and the smallest safe test that proves it works.
If you are new, do not memorize names. Focus on three questions: what problem does this solve, what access does it need, and how can you verify the result?
For practice, inspect the first example, identify its effects, run it on test data, and compare the result with the source claim.
For advanced readers, inspect Supported Models, Setup, Get a FAL API Key, then verify failure modes and version compatibility.
Know Python, Git, and basic project structure before changing code.
A clear outcome before you read.
- Understand Image Generation without assumed prior knowledge.
- Separate the source description from what still needs testing in your environment.
- Read the first command and identify its inputs and outputs before copying it.
Short definitions before the details.
- Provider
- The service that runs or provides access and authentication to a model.
Generate images via FAL.ai — 11 models including FLUX 2, GPT Image (1.5 & 2), Nano Banana Pro, Ideogram, Recraft V4 Pro, Krea 2, and more, selectable via `hermes tools`.
What does the source say, and in what order?
- 01Supported Models
Start here to understand the core idea or structure.
- 02Setup
Read this after the foundation, then connect it to the previous step.
- 03Get a FAL API Key
Read this after the foundation, then connect it to the previous step.
- 04Configure and Pick a Model
Read this after the foundation, then connect it to the previous step.
- 05GPT-Image Quality
Read this after the foundation, then connect it to the previous step.
- 06Usage
Read this after the foundation, then connect it to the previous step.
- 07Image-to-Image / Editing
Read this after the foundation, then connect it to the previous step.
- 08Which backends support editing
Read this after the foundation, then connect it to the previous step.
- 09Aspect Ratios
Read this after the foundation, then connect it to the previous step.
- 10Upscaling
Finish here to verify the result and special cases.
Copy only after you understand the effect.
hermes toolsModel Speed Strengths Price
fal-ai/flux-2/klein/9b <1s Fast, crisp text $0.006/MP ← currently in use
fal-ai/flux-2-pro ~6s Studio photorealism $0.03/MP
fal-ai/z-image/turbo ~2s Bilingual EN/CN, 6B $0.005/MP
...image_gen:
model: fal-ai/flux-2/klein/9b
use_gateway: false # true if using Nous Subscription
max_parallel_requests: 4 # concurrent images in one tool-call batchRead the first command and identify its inputs and outputs before copying it.
Match every command to your installed Hermes version, review the files and accounts it can reach, and use non-sensitive data for the first test. If this explanation differs from the source, the official source wins.