Ling 3.1 Flash (Free) API
About
Build advanced reasoning agents with Ling 3.1 Flash (Free), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support. Access Ling 3.1 Flash (Free) via the Vercel AI Gateway API with up to 33K output tokens.
Capabilities
Input Modalities
text
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Fixed
Attachment
Not Supported
Limits
Context Window
262K
Tokens
Input Limit
262K
Tokens
Max Output
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
Free
Output
Free
Frequently Asked Questions
Ling 3.1 Flash (Free) by Vercel AI Gateway costs Free per 1M input tokens and Free per 1M output tokens.
Model Details
ID
inclusionai/ling-3.1-flash-free
Provider
Vercel AI GatewayFamily
ling
Release Date
Sep 29, 2026
Knowledge Cutoff
N/A
API Integration