> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.empiriolabs.ai/models/qwen3-6-flash/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.empiriolabs.ai/_mcp/server. # Qwen3.6 Flash > Fast Qwen3.6 vision-language model for agentic coding, math reasoning, spatial understanding, OCR, and text, image, and video input. ![Qwen3.6 Flash](https://media.empiriolabs.ai/model-logos/qwen.png) [Alibaba Cloud](/providers/alibaba) · Text Generation `POST /v1/chat/completions` Fast Qwen3.6 vision-language model for agentic coding, math reasoning, spatial understanding, OCR, and text, image, and video input. ## At a glance | Field | Value | | ------------------- | --------------------------------------------------------------------------------------------------------------------------- | | Model id | `qwen3-6-flash` | | Model release date | 2026-04-16 | | Input modalities | Text, Image, Video | | Output modalities | Text | | Context window | 1M | | Weight precision | - | | Max output tokens | 65,536 | | Region | Singapore | | Features | reasoning, vision, video, web\_search, function\_calling, agentic\_coding | | Native inference | No | | New | No | | Structured output | JSON Mode | | Supported endpoints | `POST /v1/chat/completions`, `POST /v1/responses`, `POST /v1/messages`, `POST /v1beta/models/qwen3-6-flash:generateContent` | | Alternate model ids | `qwen3.6-flash` | ## Pricing | Charge | Spec | Rate | | ---------- | ----------------------- | ------------------------------ | | Input | per 1M prompt tokens | \<=256K \$0.25; 256K-1M \$1.00 | | Output | per 1M generated tokens | \<=256K \$1.50; 256K-1M \$4.00 | | Web search | per call when invoked | \$0.02 | ## Example request ```bash curl https://api.empiriolabs.ai/v1/chat/completions \ -H 'Authorization: Bearer $EMPIRIOLABS_API_KEY' \ -H 'Content-Type: application/json' \ -d '{"model": "qwen3-6-flash", "messages": [{"role":"user","content":"Hello"}]}' ``` ## Parameters | Parameter | Type | Required | Default | Description | | --------------------------- | ------- | -------- | ---------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `temperature` | number | no | `0.7` | Sampling temperature. 0 is deterministic and 2 is maximum randomness. · Range: 0 – 2 | | `top_p` | number | no | `0.9` | Nucleus sampling probability mass. Lower values make outputs more focused. · Range: 0 – 1 | | `max_tokens` | number | no | `4096` | Maximum output tokens. · Range: 1 – 65536 | | `stop` | string | no | - | Up to 4 strings where the model will stop generating further tokens. | | `enable_thinking` | boolean | no | true | Enable reasoning before answering. | | `reasoning_effort` | enum | no | `"medium"` | Reasoning effort level. none disables thinking. low, medium, high, and max set bounded thinking budgets sized to the selected model. · Allowed: `none`, `low`, `medium`, `high`, `max` | | `thinking_budget` | number | no | `32768` | Maximum tokens reserved for reasoning when thinking is enabled. · Range: 1 – 64000 | | `vl_high_resolution_images` | boolean | no | true | Use higher resolution processing for image inputs. | | `max_pixels` | number | no | `2621440` | Maximum pixel count per image when high resolution processing is disabled. · Range: 4096 – 16777216 | | `video_fps` | number | no | `2` | Frames per second to sample from video inputs. · Range: 0.1 – 10 | | `tool_web_search` | boolean | no | false | Search the web for real-time information. Adds \$0.02 to the request cost for each invoked call. | | `response_format` | enum | no | - | Return the output as a valid JSON object (JSON mode). Describe the fields you want in your prompt. | ## Notes Supports text, image, and video input. Web search is available through tool\_web\_search and adds \$0.02 per query when enabled. Thinking tokens are billed as output tokens. Explicit cache controls are not supported. ## Variants ### `:variant1` | Field | Value | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------ | | Model id | `qwen3-6-flash:variant1` | | Model release date | 2026-04-16 | | Region | China | | Context window | 1M | | Weight precision | - | | Max output tokens | 65,536 | | Features | reasoning, vision, video, web\_search, function\_calling, agentic\_coding | | Native inference | No | | Structured output | JSON Mode | | Batch API | 35% off list price | | Supported endpoints | `POST /v1/chat/completions`, `POST /v1/responses`, `POST /v1/messages`, `POST /v1beta/models/qwen3-6-flash:variant1:generateContent` | **Pricing** | Charge | Spec | Rate | | ---------- | ----------------------- | --------------------------------------------------------- | | Input | per 1M prompt tokens | \<=256K \$0.165 (was \$0.25); 256K-1M \$0.66 (was \$1.00) | | Output | per 1M generated tokens | \<=256K \$0.99 (was \$1.50); 256K-1M \$3.961 (was \$4.00) | | Web search | per call when invoked | \$0.01 | **Parameters** | Parameter | Type | Required | Default | Description | | --------------------------- | ------- | -------- | ---------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | `temperature` | number | no | `0.7` | Sampling temperature. 0 is deterministic and 2 is maximum randomness. · Range: 0 – 2 | | `top_p` | number | no | `0.9` | Nucleus sampling probability mass. Lower values make outputs more focused. · Range: 0 – 1 | | `max_tokens` | number | no | `4096` | Maximum output tokens. · Range: 1 – 65536 | | `stop` | string | no | - | Up to 4 strings where the model will stop generating further tokens. | | `enable_thinking` | boolean | no | true | Enable reasoning before answering. | | `reasoning_effort` | enum | no | `"medium"` | Reasoning effort level. none disables thinking. low, medium, high, and max set bounded thinking budgets sized to the selected model. · Allowed: `none`, `low`, `medium`, `high`, `max` | | `thinking_budget` | number | no | `32768` | Maximum tokens reserved for reasoning when thinking is enabled. · Range: 1 – 128000 | | `vl_high_resolution_images` | boolean | no | true | Use higher resolution processing for image inputs. | | `max_pixels` | number | no | `2621440` | Maximum pixel count per image when high resolution processing is disabled. · Range: 4096 – 16777216 | | `video_fps` | number | no | `2` | Frames per second to sample from video inputs. · Range: 0.1 – 10 | | `tool_web_search` | boolean | no | false | Search the web for real-time information. Adds \$0.01 to the request cost for each invoked call. | | `response_format` | enum | no | - | Return the output as a valid JSON object (JSON mode). Describe the fields you want in your prompt. | **Notes** Supports text, image, and video input. Web search is available through tool\_web\_search and adds \$0.01 per query when enabled. Thinking tokens are billed as output tokens. Explicit cache controls are not supported. --- *Machine-readable schema:* `GET https://api.empiriolabs.ai/v1/models/qwen3-6-flash`. > Fast Qwen3.6 vision-language model for agentic coding, math reasoning, spatial understanding, OCR, and text, image, and video input.