compare/Flux-2-Klein-9bvsVeo 3.1

Flux-2-Klein-9b vs Veo 3.1

Pricing, context window, capabilities, and release date — pulled from each provider's public docs. Both are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

RUN BOTH LIVE

Paste a prompt. Watch them race.

Both models stream in parallel through your own AIgateway key. Tokens, latency, and cost update as they arrive.

Sign in to runLive streaming uses your own key. It's free to sign up.
 Flux-2-Klein-9b
black-forest-labs/flux-2-klein-9b
Veo 3.1
google/veo-3.1
ProviderBlack Forest LabsGoogle
FamilyFluxVeo
Modalityimagevideo
Context window
Max output
Released2026-01-142026-04-08
Input price$0.040 /img$0.400 /sec
Output price
Cache read
Tools
Streaming
Vision
JSON mode
Reasoning
Prompt caching
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
Veo 3.1
google/veo-3.1
Full spec →

Google's latest video generation model with improved quality, motion, and audio generation.

Strengths
  • Cinematic motion
  • Native audio generation
  • Up to 60s clips
SWITCH BETWEEN THEM

One key, both models, one line different.

# pip install aigateway-py openai
# aigateway-py: sub-accounts, evals, replays, jobs, webhook verify.
# openai SDK: chat/embeddings/images/audio — drop-in compat per our SDK's own guidance.
from openai import OpenAI

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

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

# Try Veo 3.1 — same client, same key
client.chat.completions.create(
    model="google/veo-3.1",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyAdd a third model

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