Compare

O3 vs Seedance 2.5

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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O3
openai/o3
Seedance 2.5
bytedance/seedance-2.5
Provider
OpenAI
ByteDance
Family
o-series
Modality
text
video
Context window
200,000 tok
Max output
100,000 tok
Released
2026-05-22
2026-08-07
License
Open-weight
Open-weight
Input price
$2.00 /1M
Output price
$8.00 /1M
Per output second
$0.231 /sec
Tools
Streaming
yes
Vision
JSON mode
Reasoning
Prompt caching
Batch API
Try it
Open in playground →
View model →
O3
openai/o3
Full spec →

o3 is OpenAI’s general-purpose reasoning model, balancing strong analytical performance with reasonable latency and cost.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
Seedance 2.5
bytedance/seedance-2.5
Full spec →

ByteDance's next-generation video model with a unified multimodal reference-to-video architecture. Generates video from text, up to 30 reference images, 10 reference videos, and 10 reference audio clips — including audio-only input with no image or video required. Supports first/last-frame image-to-video, video editing, video extension, intelligent duration (including automatic selection), and adaptive aspect ratio.

Strengths
  • Text-to-video generation
Use cases
PromosDemosStoryboards

Compare with another

Grok 4.6 vs O3
xai/grok-4.6 · openai/o3
Grok 4.6 vs Seedance 2.5
xai/grok-4.6 · bytedance/seedance-2.5
Claude Opus 5 vs O3
anthropic/claude-opus-5 · openai/o3
Claude Opus 5 vs Seedance 2.5
anthropic/claude-opus-5 · bytedance/seedance-2.5
Qwen3.8 Max vs O3
alibaba/qwen3.8-max · openai/o3
Qwen3.8 Max vs Seedance 2.5
alibaba/qwen3.8-max · bytedance/seedance-2.5
DeepSeek V4 Pro vs O3
deepseek/deepseek-v4-pro · openai/o3
DeepSeek V4 Pro vs Seedance 2.5
deepseek/deepseek-v4-pro · bytedance/seedance-2.5
Kimi K3 vs O3
moonshot/kimi-k3 · openai/o3
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-...",
)

# O3
client.chat.completions.create(
    model="openai/o3",
    messages=[{"role":"user","content":"hello"}],
)

# Seedance 2.5
client.chat.completions.create(
    model="bytedance/seedance-2.5",
    messages=[{"role":"user","content":"hello"}],
)
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