Compare

GPT-5.5 vs Qwen3.5-9B

Add, remove, or swap models to compare them side by side.

GPT-5.5Qwen3.5-9B

GPT-5.5OpenAI · 16 in the newsQwen3.5-9BAlibaba

Scores

Intelligence (ECI)159—

Coding902

Math97—

Reasoning & Knowledge91—

Agentic & Tools952

Specifications

DeveloperOpenAIAlibaba

FamilyGPTQwen

ReleasedApr 23, 2026Feb 24, 2026

Parameters——

AvailabilityAPI accessOpen weights (restricted use)

Context window1.1M262K

Price — $/M input$5.00$0.10

Price — $/M output$30.00$0.15

Inputsfile, image, texttext, image, video

Outputstexttext

Benchmarks

AIME 2024/2025100%—

APEX38%—

ARC-AGI95%—

ARC-AGI-285%—

FrontierMath52%—

FrontierMath Tier 435%—

GPQA Diamond94%—

GSO (code optimization)40%—

SimpleBench69%—

SimpleQA Verified63%—

SWE-bench Verified81%—

Terminal-Bench85%9%

WebDev Arena1505—

WeirdML85%—

Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.

Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.

GPT-5.5 vs Qwen3.5-9B

Popular comparisons