ByteDance Seed: Seed 1.6
Analysis Summary
ByteDance Seed: Seed 1.6 is developed by ByteDance Seed. It was released in December 2025. On our leaderboard it earns Legacy-tier status, ranking #417 of 565 models in our overall business-suitability ranking.
Its 262K-token context window is larger than 81% of the models we list, suiting long documents, large codebases, and retrieval-heavy workloads. Crucially for business adoption, ByteDance Seed: Seed 1.6 combines tool use, function calling, and vision input in a single model, letting teams consolidate several use cases instead of stitching together multiple services.
At $0.250 input and $2.00 output per 1M tokens, ByteDance Seed: Seed 1.6 is cost-efficient for everyday workloads so it scales comfortably across routine production traffic. ByteDance Seed: Seed 1.6 is worth evaluating where ByteDance Seedās ecosystem and the modelās specific capabilities fit your workflow.
Editorial notes
ByteDance Seed 1.6 has no benchmark data; multimodal video support and tool use are present but performance cannot be validated, limiting confidence for business deployment.
Assessed May 31, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How ByteDance Seed: Seed 1.6 compares
Its 262K-token context window is larger than 81% of the models we list. At $0.25 per million input tokens it is cheaper than 47% of comparable models.
About ByteDance Seed: Seed 1.6
Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.
Capabilities
How does ByteDance Seed: Seed 1.6 stack up?
Compare side-by-side with other legacy models.
Model Information
| OpenRouter ID |
bytedance-seed/seed-1.6
|
| Provider | bytedance-seed |
| Release Date | December 23, 2025 |
| Context Length | 262,144 tokens |
| Max Completion | 32,768 tokens |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $0.25 | $0.000250 |
| Output | $2.00 | $0.002000 |
Live Performance
Live endpoint metrics, refreshed every 30 minutes.
Leaderboard Categories
External Resources
Frequently asked questions about ByteDance Seed: Seed 1.6
How much does ByteDance Seed: Seed 1.6 cost?
ByteDance Seed: Seed 1.6 costs $0.25 per million input tokens and $2.00 per million output tokens.
What is the context window of ByteDance Seed: Seed 1.6?
ByteDance Seed: Seed 1.6 has a context window of 262,144 tokens (262K).
What can ByteDance Seed: Seed 1.6 do?
ByteDance Seed: Seed 1.6 supports image/vision input, tool use, and function calling.
Who created ByteDance Seed: Seed 1.6?
ByteDance Seed: Seed 1.6 is developed by ByteDance Seed and was released on December 23, 2025.
