Compare

FLUX.2 [Flex] vs Flux

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.

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FLUX.2 [Flex]
black-forest-labs/flux-2-flex
Flux
deepgram/flux
Provider
Black Forest Labs
Deepgram
Family
FLUX
FLUX
Modality
image
audio-stt
Context window
Max output
Released
2026-05-27
2025-09-29
License
Open-weight
Proprietary
Per image
$0.0000 /img
Per minute
$0.0077 /min
Tools
Streaming
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
FLUX.2 [Flex]
black-forest-labs/flux-2-flex
Full spec →

FLUX.2 [flex] is Black Forest Labs' fine-grained control variant of FLUX.2 — exposes tunable inference steps, guidance, and prompt upsampling for typography-heavy and production workflows.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art
Flux
deepgram/flux
Full spec →

Flux is the first conversational speech recognition model built specifically for voice agents.

Strengths
  • Speech-to-text transcription
Use cases
Meeting transcriptsCaptionsVoice agents

Compare with another

Flux-2-Klein-9b vs Flux
black-forest-labs/flux-2-klein-9b · deepgram/flux
FLUX.2 [Flex] vs Flux-2-Klein-9b
black-forest-labs/flux-2-flex · black-forest-labs/flux-2-klein-9b
Flux-1-Schnell vs Flux
black-forest-labs/flux-1-schnell · deepgram/flux
Flux-2-Klein-4b vs Flux
black-forest-labs/flux-2-klein-4b · deepgram/flux
Flux-2-Dev vs Flux
black-forest-labs/flux-2-dev · deepgram/flux
FLUX.2 [Max] vs Flux
black-forest-labs/flux-2-max · deepgram/flux
FLUX.2 [Pro] Preview vs Flux
black-forest-labs/flux-2-pro-preview · deepgram/flux
Flux-1-Schnell vs FLUX.2 [Flex]
black-forest-labs/flux-1-schnell · black-forest-labs/flux-2-flex
FLUX.2 [Flex] vs Flux-2-Klein-4b
black-forest-labs/flux-2-flex · black-forest-labs/flux-2-klein-4b
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 [Flex]
client.chat.completions.create(
    model="black-forest-labs/flux-2-flex",
    messages=[{"role":"user","content":"hello"}],
)

# Flux
client.chat.completions.create(
    model="deepgram/flux",
    messages=[{"role":"user","content":"hello"}],
)
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