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  5. GPT Image 2.5 FlarevsSeedream 4
Updated Sep 2026

GPT Image 2.5 FlarevsSeedream 4

GPT Image 2.5 Flare is the newer model, released after Seedream 4.

GPT Image 2.5 Flare and Seedream 4 compared across 17 shared prompts
SpecGPT Image 2.5 FlareSeedream 4
Input price$5/M tokens—
Output price$30/M tokens—
WeightsClosed—
Free API (OpenRouter)No—
ReleasedSep 2026Nov 2025
Our Verdict
GPT Image 2.5 Flare
GPT Image 2.5 Flare
Seedream 4
Seedream 4

Not enough votes to call it. On the specs, nothing separates them.

Too close to call
API pricing

Cost per 1M tokens

GPT Image 2.5 Flare
Input
$5.00
Output
$30.00
Seedream 4
Input
—
Output
—
Where to run it

1 host

GPT Image 2.5 Flare1 host
HostInOutContextUptime
OpenAI$8.00 in·$8.00 out·400k·99.7% up
Seedream 4

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 11 Sep 2026.

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Rival
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Explore all of Rival

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  • Compare Models
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  • SubjectiveBench
  • Research
  • Research downloads
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  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
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