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ByteDance-Seedance-1.5-pro

Create short generative video with ByteDance-Seedance-1.5-pro on LLM.API, with resolution-aware pricing and a unified developer workflow.

Start Using API

What is ByteDance-Seedance-1.5-pro?

ByteDance-Seedance-1.5-pro is a generative video model available through LLM.API as `seedance-1-5-pro-251215`. Video generation model by Byteplus. Expect text prompts and video outputs, with pricing often tied to seconds and resolution.

Providers

LLM.API routes ByteDance-Seedance-1.5-pro to the providers below, with discounted effective rates versus list price.

List price by provider ($ / 1M tokens)

InputOutput
byteplus$0 in
$0 out

Provider list prices; the LLM.API discount applies on top.

ProviderPricingContextCapabilities
byteplus30% offin —; out $0.05 per second of video—vision, streaming

Prices and availability from the LLMAPI catalogue, updated nightly. Last updated 21 Sept 2026.

Try this model

Test ByteDance-Seedance-1.5-pro right here — free to start.

ByteDance-Seedance-1.5-pro
Hi! Want to test the model?

Suggestions for your first prompt

Code snippet

Call ByteDance-Seedance-1.5-pro through the OpenAI-compatible API — Video generation via LLM.API (see docs for media endpoints).

python
from openai import OpenAI

client = OpenAI(
    api_key="YOUR_LLMAP_KEY",
    base_url="https://api.llmapi.ai/v1",
)

resp = client.chat.completions.create(
    model="seedance-1-5-pro-251215",
    messages=[
        {"role": "system", "content": "You are a precise product assistant."},
        {"role": "user", "content": "Give me three crisp launch checklist items."},
    ],
)
print(resp.choices[0].message.content)
{
  "model": "seedance-1-5-pro-251215",
  "messages": [
    {"role": "system", "content": "You are a precise product assistant."},
    {"role": "user", "content": "Give me three crisp launch checklist items."}
  ]
}

5 Core Capabilities

  • Storyboard acceleration

    Turns written beats into moving drafts for rapid review. Relevant for `seedance-1-5-pro-251215` workloads on LLM.API.

  • Short-form content

    Fits vertical and horizontal short-form marketing formats. Tuned to how teams typically call ByteDance-Seedance-1.5-pro.

  • Product visualization

    Helps visualize products and environments before shoot or 3D work. Grounded in the model's video role rather than generic chat claims.

  • Cinematic prompting

    Responds to camera, lighting, and mood language in creative briefs. Reflects video generation positioning for this endpoint.

  • Iterative creatives

    Enables prompt-based A/B exploration of motion concepts.

6 Most Valuable Use Cases

  • Creative exploration for campaign storyboards with ByteDance-Seedance-1.5-pro
  • Internal pitch videos for stakeholders
  • Scene tests for world and environment design with ByteDance-Seedance-1.5-pro
  • Localized motion variants of the same concept
  • Social-first product teaser generation with ByteDance-Seedance-1.5-pro
  • Short promotional clips from written briefs

Why Build on LLM.API?

One unified API. Every major model. Built-in reliability, cost control, and observability.

  • Intelligent AI Routing

    Automatically route each request to the best model across providers based on latency, cost, and quality—without changing your integration or redeploying code.

    One endpoint, every model.

  • Cost-Aware Execution

    Control spend with per-request cost estimation, smart model selection, and centralized quotas so teams can experiment fast without runaway bills or manual tracking.

    More performance, less spend.

  • Resilient Fallback Flows

    Define automatic, provider-agnostic fallbacks to keep your app up during outages, rate limits, or timeouts—no brittle failover logic scattered through your codebase.

    Never go dark on users.

  • Deep LLM Observability

    Trace every call across providers with logs, metrics, and request replay so you can debug, tune prompts, and optimize model choices from one unified dashboard.

    See every token, everywhere.

  • Task-Level Orchestration

    Describe tasks, not models. LLM.API maps them to the right tools, models, and prompts so you ship complex AI workflows with minimal glue code.

    Think tasks, not models.

  • High-Throughput Batch APIs

    Process millions of inferences efficiently with optimized batch pipelines, concurrency controls, and retry logic—all behind the same simple interface you use for single calls.

    Scale from 1 to millions.

Why run ByteDance-Seedance-1.5-pro on LLM.API?

  • Unified AI Routing

    Reach ByteDance-Seedance-1.5-pro and sibling models through one OpenAI-compatible endpoint.

  • Cost Control

    Compare provider price points and keep spend visible as you scale ByteDance-Seedance-1.5-pro.

  • Reliability Layer

    Practical: Retry and route across configured providers when a single upstream blips.

  • Observability

    Trace prompts, tokens, and errors for ByteDance-Seedance-1.5-pro alongside the rest of your stack.

  • Drop-in SDKs

    Production: Keep using familiar OpenAI client patterns with base URL https://api.llmapi.ai/v1.

  • Model Breadth

    Swap ByteDance-Seedance-1.5-pro for chat, media, or embedding alternatives without rewriting auth.

When to Use — When NOT to Use

Use it if...

  • You are building short-form generative video features (ByteDance-Seedance-1.5-pro)
  • You need resolution-tiered pricing for motion content (ByteDance-Seedance-1.5-pro)
  • You can tolerate longer generation times than chat (ByteDance-Seedance-1.5-pro)

Avoid if...

  • You require sub-second interactive generation
  • You only need still images or chat text
  • You need broadcast-length films or guaranteed cinema-grade continuity

COMMUNITY

What creators say about AI video models

Summarised from publicly published developer and community reviews of this model family. Opinions are the sources’, not LLM.API’s, and may not be specific to ByteDance-Seedance-1.5-pro.

  • Creator reviews of the latest Kling releases praise multi-shot consistency, native audio and genuine 4K output.
  • Comparisons with Sora and Runway focus on prompt adherence and motion stability rather than raw resolution.
  • The common workflow advice: generate many short takes cheaply, then upscale or extend the ones that land.

SOURCES

Frequently Asked Questions

  • What is the context length for ByteDance-Seedance-1.5-pro?

    Reported context for ByteDance-Seedance-1.5-pro is See provider specs. Always verify the active provider row if multiple providers are listed.

  • Where is the canonical page for ByteDance-Seedance-1.5-pro?

    https://llmapi.ai/models/seedance-1-5-pro-251215/

  • How is ByteDance-Seedance-1.5-pro priced on LLM.API?

    Listed pricing metadata shows: 1080p: $0.1/sec; 480p: $0.02/sec; 720p: $0.05/sec. Confirm live rates in the LLM.API dashboard or docs before production budgeting.

  • Which providers serve ByteDance-Seedance-1.5-pro?

    LLM.API currently lists: byteplus. Availability can vary by region and account.

  • Can I use tools or structured outputs with ByteDance-Seedance-1.5-pro?

    Tooling support varies; for pure video models, prefer the modalities listed rather than assuming chat tools.

  • How do I call ByteDance-Seedance-1.5-pro via API?

    Send OpenAI-compatible requests to https://api.llmapi.ai/v1 with model "seedance-1-5-pro-251215" and your LLM.API key. See the code snippet on this page.

  • Is ByteDance-Seedance-1.5-pro a chat model?

    No—ByteDance-Seedance-1.5-pro is categorized as a video model. Use the matching API surface rather than assuming chat completions.

  • What is ByteDance-Seedance-1.5-pro?

    Video generation model by Byteplus. On LLM.API it is addressed as `seedance-1-5-pro-251215`.

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