DeepSeek V3.1

Name: DeepSeek V3.1
Author: DeepSeek

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase

by DeepSeek(0) 0 installs

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Free account. Installing gives you the manifest plus copy-paste snippets.

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About

Reference model card from the OpenRouter listing - model deepseek/deepseek-chat-v3.1. Prices are per million tokens as listed; ratings and installs below are from this marketplace.

DeepSeek V3.1

DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...

Facts


Vendor	DeepSeek
Context window	163,840 tokens
Max output	32,768 tokens
Input price	$0.25 / 1M tokens
Output price	$0.95 / 1M tokens
Input	text
Output	text
Tool calling	yes
Structured outputs	yes
Reasoning	yes
Open weights	deepseek-ai/DeepSeek-V3.1

Endpoint: https://openrouter.ai/api/v1 (OpenAI-compatible), model deepseek/deepseek-chat-v3.1

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

# after Install: the listing is in your workspace's routing pool - nothing else to configure
curl -s -X POST https://api.opensmartroute.ai/api/v1/route -H 'Authorization: Bearer $OSR_API_KEY' -H 'Content-Type: application/json' -d '{"text": "...", "plan": true}'
# or pin it on the OpenAI-compatible endpoint: {"model": "model-deepseek-deepseek-chat-v3-1", ...}

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

model-deepseek-deepseek-chat-v3-1.ocm.jsonjson

{
  "ocm": "1",
  "id": "model-deepseek-deepseek-chat-v3-1",
  "kind": "llm",
  "name": "DeepSeek V3.1",
  "description": "DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...",
  "publisher": "DeepSeek",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "llm",
      "deepseek",
      "openrouter",
      "open-weights",
      "reasoning",
      "tool-calling",
      "models"
    ],
    "languages": [
      "en"
    ],
    "modalities": [
      "text"
    ],
    "supports_tools": true,
    "supports_streaming": true,
    "context_window": 163840
  },
  "quality_prior": 0.6,
  "examples": [
    "DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context..."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "models",
      "ref": "1755779628",
      "url": "https://openrouter.ai/deepseek/deepseek-chat-v3.1",
      "key": "deepseek/deepseek-chat-v3.1",
      "catalogue": "https://openrouter.ai/api/v1"
    },
    "model": "deepseek/deepseek-chat-v3.1",
    "pricing": {
      "input_usd_per_1m": 0.25,
      "output_usd_per_1m": 0.95,
      "cache_read_usd_per_1m": 0.13
    },
    "max_output_tokens": 32768,
    "output_modalities": [
      "text"
    ],
    "hugging_face_id": "deepseek-ai/DeepSeek-V3.1",
    "reasoning": true,
    "created": 1755779628,
    "benchmarks": {
      "hub_downloads": 269115,
      "hub_downloads_total": 2998988,
      "hub_likes": 833,
      "hub_trending": 1
    }
  },
  "cost": {
    "usd_per_1k_tokens": 0.0006
  },
  "endpoints": [
    {
      "protocol": "openai",
      "url": "https://openrouter.ai/api/v1"
    }
  ]
}

Fetch it by URL: GET /api/v1/registry/model-deepseek-deepseek-chat-v3-1/manifest?version=1.0.0

About

DeepSeek V3.1

Facts

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Manifest

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