GPT-5.1 vs Qwen3 14B

Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.

GPT-5.1 by OpenAI wins on 4 of 6 benchmarks against Qwen3 14B by Alibaba, which leads on 2. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.

Category-by-Category Breakdown

Coding: In coding, GPT-5.1 scores 49.4 on AA Coding Index compared to Qwen3 14B's 13.8.

Reasoning: In reasoning, GPT-5.1 scores 86.2% on GPQA Diamond compared to Qwen3 14B's 59.4%, while GPT-5.1 scores 75.7% on τ²-Bench Airline compared to Qwen3 14B's 42.3%.

Context: In context, GPT-5.1 scores 400K on Context Length compared to Qwen3 14B's 131K.

Pricing Comparison

GPT-5.1 costs $1.3/1M input tokens and $10.0/1M output tokens, while Qwen3 14B costs $0.12/1M input and $0.24/1M output. Qwen3 14B is the more affordable option for API usage.

Verdict

Qwen3 14B leads across the board in affordability, making it the stronger overall choice in this comparison.

View Individual Model Pages

GPT-5.1 vs Qwen3 14B — FAQ

Which is better, GPT-5.1 or Qwen3 14B?

GPT-5.1 wins on more benchmarks overall (4 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.

How does GPT-5.1 compare to Qwen3 14B for coding?

SWE-bench Verified data is not available for both models. Check the detailed comparison charts above for other coding-related metrics.

Is GPT-5.1 cheaper than Qwen3 14B?

Yes, Qwen3 14B is cheaper. GPT-5.1 costs $1.3/1M input and $10.0/1M output tokens. Qwen3 14B costs $0.12/1M input and $0.24/1M output tokens.

Which is faster, GPT-5.1 or Qwen3 14B?

Output speed data is not available for both models. Check the speed section of the comparison above for available performance data.

What benchmarks does the GPT-5.1 vs Qwen3 14B comparison cover?

This comparison covers 6 benchmarks including GPQA Diamond, Input Cost, Output Cost, Context Length, AA Coding Index, τ²-Bench Airline. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.