4 models
Ranked by MathArena Apex
Reasoning Tools JSON Open weights 65.6

DeepSeek V4.1 Flash is a sparse mixture-of-experts model from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on...

deepseek/deepseek-v4.1-flash 2026-09-10 1.04858M context $0.02/M input $1/M output
70 providers
Reasoning Tools JSON Open weights 38.7

Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use. It supports a configurable reasoning effort:...

tencent/hy3 2026-07-06 262.144K context $0.083/M input $0.33/M output
23 providers
Reasoning Tools JSON Open weights 38.3

DeepSeek V4 Pro is a large-scale Mixture-of-Experts model from DeepSeek with 1.6T total parameters and 49B activated parameters, supporting a 1M-token context window. It is designed for advanced reasoning, coding,...

deepseek/deepseek-v4-pro 2026-04-24 1.024M context $0.209/M input $0.418/M output
71 providers
Reasoning Tools JSON Open weights 33.0

DeepSeek V4 Flash is an efficiency-optimized Mixture-of-Experts model from DeepSeek with 284B total parameters and 13B activated parameters, supporting a 1M-token context window. It is designed for fast inference and...

deepseek/deepseek-v4-flash 2026-04-24 1.04858M context $0.091/M input $0.182/M output
68 providers