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Seedream 5 Pro vs Gemini 2.5 Flash

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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Seedream 5 Pro
bytedance/seedream-5-pro
Gemini 2.5 Flash
google/gemini-2.5-flash
Provider
ByteDance
Google
Family
Seedream
Modality
image
text
Context window
1,000,000 tok
Max output
8,192 tok
Released
2026-07-23
2026-05-22
License
Proprietary
Proprietary
Input price
$0.300 /1M
Output price
$2.50 /1M
Per image
$0.045 /img
Tools
Streaming
yes
Vision
yes
JSON mode
Reasoning
Prompt caching
Batch API
Try it
View model →
Open in playground →
Seedream 5 Pro
bytedance/seedream-5-pro
Full spec →

Seedream 5 Pro is ByteDance's high-quality image generation and editing model with text prompts, up to 10 reference images, and 1K, 2K, or explicit pixel-size output controls.

Strengths
  • Text-to-image generation
  • Creative control
Use cases
Marketing assetsProduct mockupsConcept art
Gemini 2.5 Flash
google/gemini-2.5-flash
Full spec →

Google's fast multimodal Gemini 2.5 model with strong reasoning and a 1M token context window.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Claude Opus 5 vs Seedream 5 Pro
anthropic/claude-opus-5 · bytedance/seedream-5-pro
Claude Opus 5 vs Gemini 2.5 Flash
anthropic/claude-opus-5 · google/gemini-2.5-flash
Grok 4.5 vs Seedream 5 Pro
xai/grok-4.5 · bytedance/seedream-5-pro
Grok 4.5 vs Gemini 2.5 Flash
xai/grok-4.5 · google/gemini-2.5-flash
Kimi K3 vs Seedream 5 Pro
moonshot/kimi-k3 · bytedance/seedream-5-pro
Kimi K3 vs Gemini 2.5 Flash
moonshot/kimi-k3 · google/gemini-2.5-flash
Gemini 3.6 Flash vs Seedream 5 Pro
google/gemini-3.6-flash · bytedance/seedream-5-pro
Gemini 3.6 Flash vs Gemini 2.5 Flash
google/gemini-3.6-flash · google/gemini-2.5-flash
GPT-5.6 Sol vs Seedream 5 Pro
openai/gpt-5.6-sol · bytedance/seedream-5-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-...",
)

# Seedream 5 Pro
client.chat.completions.create(
    model="bytedance/seedream-5-pro",
    messages=[{"role":"user","content":"hello"}],
)

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