ByteDance
Ships Doubao (consumer chat) and Seedream (image gen) built on the same foundation-model stack that powers TikTok/Douyin AI features. Dominant in mainland Chinese consumer AI.
2 tools in the directory
Doubao
Agents · Doubao Seed 2.1 Pro (in-house ByteDance), with Seed 2.0 / 1.5 on free tier
8.5
ByteDance's flagship AI assistant with a real agent mode and one of the largest user bases outside ChatGPT
Freemium· Free tier (chat, search, writing, image gen, voice/video chats) / Doubao Pro RMB 68/mo (~$9.40) / RMB 200/mo (~$27.80) / RMB 500/mo (~$69.40). API: 6 yuan per 1M input tokens, 30 yuan per 1M output tokens for Doubao 2.1 Pro (cache-hit as low as 1.2 yuan).Long-document PDF and Office file summarizationAutonomous browser and local-computer agent tasks
Seedream
Image Generation · ByteDance Seedream (4.0 / 4.5 / 5.0 Lite family, in-house)
8.5
ByteDance's unified text-to-image and image-editing model, served via Volcengine.
Paid· Usage-based via Volcengine / third-party gateways. Approx: Seedream 4.0 ~$0.025-$0.069 per image; Seedream 4.5 ~$0.035-$0.045 per image (fal, OpenRouter list ~$0.04 flat); Seedream 5.0 Lite ~$0.035 per image. Cheaper CN gateway rates (¥0.12-0.20/image) available. Enterprise SLA pricing on request.High-volume ad creative generationE-commerce product photography and variants