ByteDance Seed: Seed 1.6 Flash

ByteDance Seed: Seed 1.6 Flash

ByteDance SeedLLM

Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of...

MultimodalAPI AvailableVisionTool CallingReasoning

Specifications

Context Window

262K tokens

Input Price/1M

$0.07

Output Price/1M

$0.30

Parameters

Max Output

33K tokens

Information

Tool Calling
✅ Supported
Vision
✅ Supported
Audio
❌ Not supported

Full Analysis: ByteDance Seed: Seed 1.6 Flash

What is ByteDance Seed: Seed 1.6 Flash?

ByteDance Seed: Seed 1.6 Flash is an AI model developed by ByteDance Seed, classified as a large language model (LLM). It is a multimodal model, capable of processing text, images, and potentially other media types. As a proprietary model, it is available via ByteDance Seed's cloud API. With a context window of 262K tokens, it is suitable for processing long documents such as contracts, books, and complete codebases.

Pricing & Costs in 2026

ByteDance Seed: Seed 1.6 Flash is usage-based, priced at $0.075/1M input tokens and $0.3/1M output tokens. For context: 1 million tokens is approximately 750,000 words, or about 10 average-length books. At this aggressive price point, it is one of the most cost-effective options on the market, ideal for high-volume applications like chatbots, bulk document analysis, and automation.

Benchmarks & Performance

We don't have detailed benchmark results for ByteDance Seed: Seed 1.6 Flash yet. Benchmarks are updated weekly as new data becomes available from sources like Artificial Analysis, LM Arena, and LiveBench.

It's important to note that benchmarks measure specific aspects and don't capture the full user experience. Factors like instruction adherence, behavior in long conversations, and real-world task quality vary significantly between models and aren't always reflected in standard scores.

Recommended Use Cases

ByteDance Seed: Seed 1.6 Flash is suitable for a wide range of AI applications: long document analysis (contracts, legal proceedings, codebases), automation with tool calling (API integration, databases, external systems), image and visual document analysis (OCR, diagrams, screenshots), multimodal processing combining text and images, high-volume chatbots and automated support, complex reasoning, math problem solving, and logical analysis, text generation, summarization, translation, and general assistance.

Comparison with Alternatives

In the 2026 AI model ecosystem, ByteDance Seed: Seed 1.6 Flash competes directly with similarly capable models. ByteDance Seed competes in this segment against OpenAI, Anthropic, Google, and Meta. The choice between models depends on the specific use case, budget, latency requirements, and need for features like multimodality and tool calling.

For a detailed side-by-side comparison, use our comparison tool or check the overall model ranking.

Frequently Asked Questions

What is ByteDance Seed: Seed 1.6 Flash?

Seed 1.6 Flash is an ultra-fast multimodal deep thinking model by ByteDance Seed, supporting both text and visual understanding. It features a 256k context window and can generate outputs of...

How much does ByteDance Seed: Seed 1.6 Flash cost?

ByteDance Seed: Seed 1.6 Flash costs $0.075/1M input tokens and $0.3/1M output tokens. For heavy usage (e.g., a chatbot handling 100k messages/month), costs can range from $10 to $1,000 depending on volume.

How does ByteDance Seed: Seed 1.6 Flash compare with other models?

We don't have detailed benchmarks for ByteDance Seed: Seed 1.6 Flash yet. Check the main benchmark page to compare available models.

Is ByteDance Seed: Seed 1.6 Flash open source?

No, ByteDance Seed: Seed 1.6 Flash is a proprietary model from ByteDance Seed. It is available via cloud API. For open source alternatives, check our open source model ranking.

What is ByteDance Seed: Seed 1.6 Flash best for?

ByteDance Seed: Seed 1.6 Flash excels at complex reasoning and problem solving. With its large context window, it handles long documents, codebases, and extended conversations. It supports tool calling for API integrations and automation.

Last updated: May 15, 2026 View methodology →