← Back to all models
Q

Qwen3.5 122B

by Alibaba
Flagship Free & Open Source 🏆 Ranked #20 of 85
82.2
Overall Score
out of 100
About

Alibaba's 122B flagship model from the Qwen3.5 series, offering frontier-level coding and technical performance in a large open-weight package.

Key Metrics
Context Window
128K
tokens
Avg Response
1400
milliseconds
Input Cost
$0.8
per million tokens
Output Cost
$2.4
per million tokens
Arena ELO
1280
Chatbot Arena rating
MT-Bench
9.1
out of 10
Benchmark Scores
MMLU
87.0%
HumanEval
94.0%
MATH
89.0%
GPQA
57.0%
MT-Bench
91.0/10
Capability Profile
Strengths & Limitations
Strengths
✓ Frontier coding performance ✓ Open source ✓ Strong technical reasoning ✓ Large knowledge base
Limitations
⚠ Server-scale hardware required ⚠ Large model size ⚠ Slower inference
Ideal Use Cases
Enterprise AI Complex software projects Research Large-scale code generation Technical analysis
Model Details
Provider Alibaba
Released 2025-06-01
Type Free & Open Source
Multimodal No
Tier Flagship
Global rank #20 / 85
Pricing (USD)
Input tokens $0.8/M
Output tokens $2.4/M
Per 1,000 tokens ≈ $0.0008 input / $0.0024 output
All Benchmarks
MMLU 87.0%
HumanEval 94.0%
MATH 89.0%
GPQA 57.0%
MT-Bench 9.1/10
Arena ELO 1280
Compare this model View Rankings

You might also consider