{"schema":"postcutoff/model@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/m/deepseek-v4-pro/","md":"https://postcutoff.com/m/deepseek-v4-pro/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"deepseek-v4-pro","name":"DeepSeek-V4-Pro","org":"DeepSeek","family":"DeepSeek V4","released":"2026-04-24","status":"current","type":"reasoning-llm","modality_in":["text"],"modality_out":["text"],"open_weights":true,"model_license":"mit","context_window":1000000,"max_output":384000,"knowledge_cutoff":null,"pricing":{"input":1.32,"output":3.96,"cache_read":0.044,"unit":"per 1M tokens (USD), peak-hour list price; off-peak is half (input 0.66, output 1.98, cache hit 0.022). Peak = 01:00-04:00 and 06:00-10:00 UTC Mon-Fri","source":"https://api-docs.deepseek.com/quick_start/pricing"},"price_line":"$1.32 in, $3.96 out per 1M tokens","access":[{"provider":"DeepSeek API","model_id":"deepseek-v4-pro","endpoint":"https://api.deepseek.com","docs":"https://api-docs.deepseek.com/quick_start/pricing"},{"provider":"DeepSeek API (Anthropic format)","model_id":"deepseek-v4-pro","endpoint":"https://api.deepseek.com/anthropic","docs":"https://api-docs.deepseek.com/quick_start/pricing"},{"provider":"Alibaba Cloud Model Studio","model_id":"deepseek-v4-pro-0813","docs":"https://www.alibabacloud.com/help/en/model-studio/models"},{"provider":"OpenRouter","model_id":"deepseek/deepseek-v4-pro-0813","url":"https://openrouter.ai/deepseek/deepseek-v4-pro-0813"},{"provider":"OpenRouter (preview 0423)","model_id":"deepseek/deepseek-v4-pro","url":"https://openrouter.ai/deepseek/deepseek-v4-pro"},{"provider":"Hugging Face","url":"https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro-0813"},{"provider":"Web app","url":"https://chat.deepseek.com"}],"capabilities":[{"name":"Open-weight 1.6T MoE with 1M context","detail":"1.6T total / 49B active parameters, MIT license, 1M-token context (paper: 'Towards Highly Efficient Million-Token Context Intelligence').","first":false,"discovered":"launch","source":"https://huggingface.co/deepseek-ai/DeepSeek-V4.1-Flash"},{"name":"Agentic GA upgrade (0813)","detail":"GA release greatly strengthened agent performance in production (e.g. Terminal Bench 2.1 87.9, Toolathlon-Verified 74.1 per DeepSeek).","first":false,"discovered":"later","source":"https://api-docs.deepseek.com/updates"},{"name":"Reasoning effort low/high/max","detail":"Thinking mode supports three effort levels; non-thinking mode also available.","first":false,"discovered":"later","source":"https://api-docs.deepseek.com/updates"},{"name":"Native OpenAI Responses API + Codex","detail":"DeepSeek API natively speaks the Responses API format and is adapted for Codex; Anthropic Messages format also supported.","first":false,"discovered":"later","source":"https://api-docs.deepseek.com/updates"},{"name":"DSpark speculative decoding module","detail":"0813 weights ship with an attached DSpark speculative-decoding module for faster inference.","first":false,"discovered":"later","source":"https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro-0813"}],"entry":null,"notes":"Preview 2026-04-24, GA snapshot DeepSeek-V4-Pro-0813 on 2026-08-13 (same id deepseek-v4-pro). Text-only (no vision). DeepSeek said service continues past 2026-09-14 until further notice. Knowledge cutoff not published.","verified":"2026-09-29","body_md":"DeepSeek's strongest model: long-horizon coding agents, reasoning, 1M-context tasks. Open weights (MIT).\n\n```bash\ncurl https://api.deepseek.com/chat/completions \\\n -H \"Authorization: Bearer $DEEPSEEK_API_KEY\" -H \"Content-Type: application/json\" \\\n -d '{\"model\":\"deepseek-v4-pro\",\"reasoning_effort\":\"high\",\"messages\":[{\"role\":\"user\",\"content\":\"Hello\"}]}'\n```\n\nSources: https://api-docs.deepseek.com/quick_start/pricing · https://api-docs.deepseek.com/updates · https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro-0813","page_url":"https://postcutoff.com/m/deepseek-v4-pro/","events_after":null,"major_after":null,"historic_after":null,"missing_at_launch":null,"events_since_release":1868,"you_url":"https://postcutoff.com/you/deepseek-v4-pro/","briefings":null}