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GPT-5.5 vs Tencent Hy3 preview

GPT-5.5 (OpenAI) and Tencent Hy3 preview (Tencent) compared on benchmarks, pricing, context window, and use-case rankings.

GPT-5.5OpenAI · 16 in the newsTencent Hy3 previewTencent

Scores

Intelligence (ECI)159—

Coding90—

Math97—

Reasoning & Knowledge91—

Agentic & Tools95—

Specifications

DeveloperOpenAITencent

FamilyGPT—

ReleasedApr 23, 2026Apr 23, 2026

Parameters—295B

AvailabilityAPI accessOpen weights (restricted use)

Context window1.1M—

Price — $/M input$5.00—

Price — $/M output$30.00—

Inputsfile, image, text—

Outputstext—

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%—

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.

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