ByteDance Doubao API 2026: Pricing, Models, and Access Guide
This technical guide analyzes ByteDance's 2026 Doubao API lineup, detailing 19 active SKUs including chat, image, and video models. The flagship Seed 2.0 Pro offers advanced multimodal capabilities with a 256K context window, priced at $2.57 per million output tokens. In contrast, the cost-effective Seed 1.6 Flash model provides a significant price advantage at $0.022 input and $0.219 output per million tokens, positioning it as roughly six times cheaper than the Pro tier and significantly more affordable than competitors like GPT-5.5. The article highlights a critical access barrier: direct registration via Volcano Engine Ark requires Chinese mainland phone verification. Consequently, international developers are directed toward aggregator services like TokenMix, which bypass these restrictions but may involve parity-routed pricing. The analysis covers model generations from Doubao 1.5 to Seed 2.0, noting that older 1.5 models are limited by a 32K context window. It serves as a practical resource for developers evaluating cost-performance trade-offs and integration methods for ByteDance's foundation models in global applications.
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