Qwen: Qwen3.5 Plus 2026-04-20 API
About
Build advanced reasoning agents with Qwen: Qwen3.5 Plus 2026-04-20, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $0.30/1M input and $1.80/1M output tokens, native tool calling support. Access Qwen: Qwen3.5 Plus 2026-04-20 via the Kilo Gateway API with up to 66K output tokens.
Capabilities
Input Modalities
textimagevideo
Output Modalities
text
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
66K
Tokens
Pricing
Standard (per 1M tokens)
Input
$0.30
Output
$1.80
Caching (per 1M tokens)
Write
$0.38
Frequently Asked Questions
Qwen: Qwen3.5 Plus 2026-04-20 by Kilo Gateway costs $0.30 per 1M input tokens and $1.80 per 1M output tokens. Cache writes cost $0.38 per 1M tokens.
Model Details
ID
qwen/qwen3.5-plus-20260420
Provider
Kilo GatewayFamily
qwen3.5
Release Date
Apr 27, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
KILO_API_KEY
API Base URL
https://api.kilo.ai/api/gateway