Compare

Gemini 2.5 Pro vs FLUX.2 [Pro] Preview

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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Gemini 2.5 Pro
google/gemini-2.5-pro
FLUX.2 [Pro] Preview
black-forest-labs/flux-2-pro-preview
Provider
Google
Black Forest Labs
Family
FLUX
Modality
text
image
Context window
1,000,000 tok
Max output
65,536 tok
Released
2026-05-22
2026-05-27
License
Proprietary
Open-weight
Input price
$1.25 /1M
Output price
$10.00 /1M
Per image
$0.0000 /img
Tools
Streaming
yes
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
Open in playground →
Gemini 2.5 Pro
google/gemini-2.5-pro
Full spec →

Google's most capable Gemini 2.5 model with strong reasoning, thinking support, and a 1M token context window.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
FLUX.2 [Pro] Preview
black-forest-labs/flux-2-pro-preview
Full spec →

FLUX.2 [pro] Preview is Black Forest Labs' recommended default for production image generation and editing — tracks the latest [pro] weights with strong multi-reference support.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art

Compare with another

Claude Opus 4.8 vs Gemini 2.5 Pro
anthropic/claude-opus-4.8 · google/gemini-2.5-pro
Claude Opus 4.8 vs FLUX.2 [Pro] Preview
anthropic/claude-opus-4.8 · black-forest-labs/flux-2-pro-preview
Claude Sonnet 4.6 vs Gemini 2.5 Pro
anthropic/claude-sonnet-4.6 · google/gemini-2.5-pro
Claude Sonnet 4.6 vs FLUX.2 [Pro] Preview
anthropic/claude-sonnet-4.6 · black-forest-labs/flux-2-pro-preview
Grok 4.20 Multi-Agent vs Gemini 2.5 Pro
xai/grok-4.20-multi-agent-0309 · google/gemini-2.5-pro
Grok 4.20 Multi-Agent vs FLUX.2 [Pro] Preview
xai/grok-4.20-multi-agent-0309 · black-forest-labs/flux-2-pro-preview
GPT-5.4 vs Gemini 2.5 Pro
openai/gpt-5.4 · google/gemini-2.5-pro
GPT-5.4 vs FLUX.2 [Pro] Preview
openai/gpt-5.4 · black-forest-labs/flux-2-pro-preview
Gemini 2.5 Pro vs Gemini 3.1 Pro
google/gemini-2.5-pro · google/gemini-3.1-pro
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-...",
)

# Gemini 2.5 Pro
client.chat.completions.create(
    model="google/gemini-2.5-pro",
    messages=[{"role":"user","content":"hello"}],
)

# FLUX.2 [Pro] Preview
client.chat.completions.create(
    model="black-forest-labs/flux-2-pro-preview",
    messages=[{"role":"user","content":"hello"}],
)
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