DeepSeek V4.1 Flash vs V4 Pro: Which Should You Use?
DeepSeek V4.1 Flash vs V4 Pro: compare API prices, image input and retirement dates. Check whether your old model name still selects the old version.
Tag: #deepseek
DeepSeek V4.1 Flash API: Preview Access and Harness Setup
What the reported DeepSeek V4.1 Flash preview model ID means, how to configure an authorized test in Harness, and which API and multimodal details remain unverified.
DeepSeek Harness (2026): Setup, Plugins & Production Limits
DeepSeek Harness setup and review: npx install, plugin architecture, API limits, and what is safe to test before production.
DeepSeek V4 Pro Goes GA: 2% of Fable 5's Price
DeepSeek V4 Pro 0813 exits preview quietly. 1.6T params MoE, 49B active, 1M context, priced at $0.87/M output — less than 2% of Claude Fable 5.
Best Open-Weight LLMs for AI Agents (2026): Cost & Self-Hosting
Compare the best open weights LLMs for AI agents in 2026: DeepSeek V4, openPangu-2.0-Pro, Llama 4 Maverick, cost, context, benchmarks, and self-hosting fit.
DeepSeek V4 Flash 0731: $0.28 Beats Its Own Flagship
DeepSeek V4 Flash 0731 exits preview with 82.7 Terminal-Bench and 54.4 DeepSWE. 284B/13B MoE, 1M context, MIT license, at $0.14/$0.28 per million tokens. Agent benchmarks beat V4-Pro-Preview.
DeepSeek V4: 1M Context Open-Source LLM for Agents (2026)
DeepSeek V4 ships a 1M-token context window under MIT at a fraction of frontier pricing. When the huge context earns its keep for agents, and when it's a trap.