Seed 2.0 Pro (260328) (ByteDance)

ByteDance released the Seed 2.0 family on February 14, 2026, with the flagship Pro variant powering the Doubao app across more than 200 million users. The four-tier lineup includes Pro, Lite, Mini, and Code variants that target deep reasoning through high-throughput batch inference, all delivered through Volcano Engine. The model is positioned as ByteDance's direct response to GPT-5.2, Claude Opus 4.5, and Gemini 3 Pro. Seed 2.0 Pro records an AIME 2025 score of 98.3 and a GPQA Diamond score of 88.9, with gold-medal results on ICPC, IMO, and CMO competitions. Coding performance reaches a 3020 Codeforces rating, 87.8 on LiveCodeBench v6, and 76.5 on SWE-Bench Verified, while agentic benchmarks include 77.3 BrowseComp and 55.8 Terminal Bench. The model also processes hour-long videos at 89.5 VideoMME accuracy and ranks 6th on LMSYS Chatbot Arena text and 3rd on vision.

ByteDance's Seed 2.0 Pro launched February 14, 2026 under the Doubao brand via the Volcengine API, developed by the company's Seed research team. The multimodal flagship accepts text, images, and hour-length video, with a 272.4K-token context window supporting long-form document analysis, agentic coding through ByteDance's TRAE IDE, and multi-turn reasoning. It anchors a three-tier product family alongside Seed 2.0 Lite and Mini. The airank.dev profile reports Volcengine pricing of $0.47 per 1M input tokens and $2.37 per 1M output tokens, with one benchmark recorded: SWE-Bench Verified at 76.50. Creator attribution to ByteDance's Seed team is preserved, distinguishing model origin from the Volcengine serving platform. The page does not name the dated 260328 snapshot specifically, treating Seed 2.0 Pro at the variant level.