DeepSeek-V4-Pro-0813 Drops: 1M Context + Anthropic API Compatibility, a Chinese Model Takes On Claude
On 2026-08-13 DeepSeek updated V4-Pro to the 0813 snapshot and V4-Flash to 0731, calling names unchanged. 1M context + 384K output, thinking mode on by default, native Anthropic API compatibility (base_url api.deepseek.com/anthropic) = switch Claude Code to DeepSeek with two env vars. Pro ¥6/M output, Flash ¥2/M, official price-hike warning posted. Facts per official docs.