Tool tag: Long Context

Muse Spark 1.3

Meta's frontier reasoning model, shipped September 2, 2026: a 1M-token multimodal agent model at $1.25/$4.25 per million tokens.

Tencent Hy4 preview

Tencent's open-weight flagship, released August 28, 2026. A 770B MoE with 49B active, a 1M-token context, Apache 2.0 — and explicitly a preview.

GLM-5.3

Zhipu AI's current line: GLM-5.3, a post-trained coding and security flagship, and GLM-5.3-Flash, a 320B/18B multimodal MoE with hybrid attention.

Qwen3.8-Max

Alibaba's flagship Qwen model, released August 3, 2026. A 2.4T-parameter MoE with 95B active, 1M token context, text/image/video input — and open weights.

Inkling

Thinking Machines Lab's first open-weights model: a 975B-parameter multimodal MoE with 41B active, 1M-token context and controllable thinking effort.

Seed 2.1 (Doubao)

ByteDance's flagship Seed 2.1: Pro for deep-thinking agent work, Turbo for scale, plus the weekly-updated Doubao-Seed-Evolving. Closed weights.

Nemotron 3 Ultra

NVIDIA's open Nemotron line: the 550B/55B-active Nemotron 3 Ultra flagship and Nemotron 3.5 Lightning, a 30B/3B-active agent-execution model, both OpenMDW.

MiniMax-M3

MiniMax's multimodal flagship, released June 1, 2026. A 428B-parameter MoE with ~23B active, a 1M-token context, and open weights under a community license.

DeepSeek V4

DeepSeek's open-weight V4 family: V4-Pro (1.6T/49B), V4-Flash (284B/13B) and the experimental V4-Flash-Vision-Exp. MIT weights, 1M context.

MiMo-V2.5-Pro

Xiaomi's open-weight flagship, released April 22, 2026. A 1.02-trillion-parameter MoE with 42B active, a 1M-token context, and an MIT license.