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 up to 16k tokens.
Model details →ByteDance Seed: Seed 1.6 Flash vs OpenAI: o3 Pro
ByteDance Seed: Seed 1.6 Flash wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently better answers. Note that BYOK is require…
Model details →Side-by-side comparison
| Capability | ByteDance Seed: Seed 1.6 Flash | OpenAI: o3 Pro | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 200K | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.07 | $20.00 | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.30 | $80.00 | 🏆 ByteDance Seed: Seed 1.6 Flash |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is ByteDance Seed: Seed 1.6 Flash better than OpenAI: o3 Pro?
ByteDance Seed: Seed 1.6 Flash wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between ByteDance Seed: Seed 1.6 Flash and OpenAI: o3 Pro?
Input: $0.07 vs $20.00 per 1M tokens. Output: $0.30 vs $80.00 per 1M tokens.
What context windows do ByteDance Seed: Seed 1.6 Flash and OpenAI: o3 Pro support?
ByteDance Seed: Seed 1.6 Flash supports up to 262K tokens. OpenAI: o3 Pro supports up to 200K tokens.
Do both ByteDance Seed: Seed 1.6 Flash and OpenAI: o3 Pro support tool calling?
ByteDance Seed: Seed 1.6 Flash: yes. OpenAI: o3 Pro: yes.