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o4 Mini High vs Qwen3.5-9B

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for o4 Mini High and Qwen3.5-9B.

OpenAI

o4 Mini High

OpenAI o4-mini-high is the same model as [o4-mini](/openai/o4-mini) with reasoning_effort set to high. OpenAI o4-mini is a compact reasoning model in the o-series, optimized for fast, cost-efficient performance while retaining...

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Alibaba

Qwen3.5-9B

Qwen3.5-9B is a multimodal foundation model from the Qwen3.5 family, designed to deliver strong reasoning, coding, and visual understanding in an efficient 9B-parameter architecture. It uses a unified vision-language design...

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Technical Specifications

Specificationo4 Mini HighQwen3.5-9B
ProviderOpenAIAlibaba
Context Window200,000 tokens262,144 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apiself hostable
Production Stabilitystablestable
API AvailableYesYes
Released Date2025-04-162026-03-10

API Pricing Comparison

Input Price per Million Tokens

o4 Mini High

$1.10

Qwen3.5-9B

$0.10

Output Price per Million Tokens

o4 Mini High

$4.40

Qwen3.5-9B

$0.15

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

o4 Mini High Quirks & Gotchas

No developer gotchas reported.

Qwen3.5-9B Quirks & Gotchas

No developer gotchas reported.