Compare

FLUX.2 [Max] vs GPT-5.4 Mini

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 [Max]
black-forest-labs/flux-2-max
GPT-5.4 Mini
openai/gpt-5.4-mini
Provider
Black Forest Labs
OpenAI
Family
FLUX
GPT-5
Modality
image
text
Context window
128,000 tok
Max output
16,384 tok
Released
2026-05-27
2026-05-22
License
Open-weight
Proprietary
Input price
$0.750 /1M
Output price
$4.50 /1M
Cache read
$0.075 /1M
Per image
$0.0000 /img
Tools
yes
Streaming
yes
Vision
yes
JSON mode
yes
Reasoning
yes
Prompt caching
yes
Batch API
yes
Try it
Open in playground →
Open in playground →
FLUX.2 [Max]
black-forest-labs/flux-2-max
Full spec →

FLUX.2 [max] is Black Forest Labs' highest-quality image model — top editing consistency, strongest prompt following, and grounding search for visualizations of real-time information.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art
GPT-5.4 Mini
openai/gpt-5.4-mini
Full spec →

GPT-5.4 mini is a smaller, faster, and more cost-efficient version of GPT-5.4 for lightweight tasks.

Strengths
  • Very cheap per token
  • Fast
  • Full tool + vision support
Use cases
Drafts + rewritesBulk batch jobsCost-sensitive production

Benchmarks

FLUX.2 [Max]
GPT-5.4 Mini
HumanEval
88.6
MMLU
84.5

Source: each provider's published benchmarks. Higher is better. Run an eval to compare on your own data.

Compare with another

Claude Sonnet 4.6 vs GPT-5.4 Mini
anthropic/claude-sonnet-4.6 · openai/gpt-5.4-mini
Claude Haiku 4.5 vs GPT-5.4 Mini
anthropic/claude-haiku-4.5 · openai/gpt-5.4-mini
GPT-5.4 Mini vs Gemini 3 Flash
openai/gpt-5.4-mini · google/gemini-3-flash
Claude Opus 4.8 vs FLUX.2 [Max]
anthropic/claude-opus-4.8 · black-forest-labs/flux-2-max
Claude Opus 4.8 vs GPT-5.4 Mini
anthropic/claude-opus-4.8 · openai/gpt-5.4-mini
Claude Sonnet 4.6 vs FLUX.2 [Max]
anthropic/claude-sonnet-4.6 · black-forest-labs/flux-2-max
Grok 4.20 Multi-Agent vs FLUX.2 [Max]
xai/grok-4.20-multi-agent-0309 · black-forest-labs/flux-2-max
Grok 4.20 Multi-Agent vs GPT-5.4 Mini
xai/grok-4.20-multi-agent-0309 · openai/gpt-5.4-mini
GPT-5.4 vs FLUX.2 [Max]
openai/gpt-5.4 · black-forest-labs/flux-2-max
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 [Max]
client.chat.completions.create(
    model="black-forest-labs/flux-2-max",
    messages=[{"role":"user","content":"hello"}],
)

# GPT-5.4 Mini
client.chat.completions.create(
    model="openai/gpt-5.4-mini",
    messages=[{"role":"user","content":"hello"}],
)
Get an AIgateway keyRun an eval on these →