Compare

Flux-2-Klein-9b vs Bytedance Seedream V4 (Text To Image)

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

Search2/4
Flux-2-Klein-9b
black-forest-labs/flux-2-klein-9b
Bytedance Seedream V4 (Text To Image)
bytedance/bytedance-seedream-v4-text-to-image
Provider
Black Forest Labs
ByteDance
Family
FLUX
Modality
image
image
Context window
Max output
Released
2026-01-14
License
Open-weight
Open-weight
Per image
$0.040 /img
$0.030 /img
Tools
Streaming
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
Flux-2-Klein-9b
black-forest-labs/flux-2-klein-9b
Full spec →

FLUX.2 [klein] 9B is a 9 billion parameter model that can generate images from text descriptions and supports multi-reference editing capabilities.

Strengths
  • Photorealism
  • Text rendering
  • Fast generation
Use cases
Marketing assetsProduct photosUI mockups
Bytedance Seedream V4 (Text To Image)
bytedance/bytedance-seedream-v4-text-to-image
Full spec →
Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art

Compare with another

Flux-2-Klein-9b vs Flux
black-forest-labs/flux-2-klein-9b · deepgram/flux
Flux-1-Schnell vs Flux-2-Klein-9b
black-forest-labs/flux-1-schnell · black-forest-labs/flux-2-klein-9b
Flux-2-Klein-4b vs Flux-2-Klein-9b
black-forest-labs/flux-2-klein-4b · black-forest-labs/flux-2-klein-9b
Flux-2-Dev vs Flux-2-Klein-9b
black-forest-labs/flux-2-dev · black-forest-labs/flux-2-klein-9b
Flux-2-Klein-9b vs Stable-Diffusion-V1-5-Inpainting
black-forest-labs/flux-2-klein-9b · runwayml/stable-diffusion-v1-5-inpainting
Flux-2-Klein-9b vs Stable-Diffusion-XL-Lightning
black-forest-labs/flux-2-klein-9b · bytedance/stable-diffusion-xl-lightning
Flux-2-Klein-9b vs Dreamshaper-8-Lcm
black-forest-labs/flux-2-klein-9b · lykon/dreamshaper-8-lcm
Flux-2-Klein-9b vs Phoenix-1.0
black-forest-labs/flux-2-klein-9b · leonardo/phoenix-1.0
Flux-2-Klein-9b vs Stable-Diffusion-XL-Base-1.0
black-forest-labs/flux-2-klein-9b · stabilityai/stable-diffusion-xl-base-1.0
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# Flux-2-Klein-9b
client.chat.completions.create(
    model="black-forest-labs/flux-2-klein-9b",
    messages=[{"role":"user","content":"hello"}],
)

# Bytedance Seedream V4 (Text To Image)
client.chat.completions.create(
    model="bytedance/bytedance-seedream-v4-text-to-image",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →