Model Comparison
GPT-5.1 Instant vs Qwen3-Next-80B-A3B-InstructWhich is better in 2026?
GPT-5.1 Instant significantly outperforms across most benchmarks. Qwen3-Next-80B-A3B-Instruct is 7.1x cheaper per token.
Verdict: GPT-5.1 Instant vs Qwen3-Next-80B-A3B-Instruct — which is better?
GPT-5.1 Instant (by OpenAI) and Qwen3-Next-80B-A3B-Instruct (by Alibaba Cloud / Qwen Team) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
GPT-5.1 Instant outperforms in 5 benchmarks (AIME 2025, GPQA, Tau2 Airline, Tau2 Retail, Tau2 Telecom), while Qwen3-Next-80B-A3B-Instruct is better at 0 benchmarks. GPT-5.1 Instant significantly outperforms across most benchmarks.
On price, Qwen3-Next-80B-A3B-Instruct is roughly 7.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-5.1 Instant also accepts a larger context window (400,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose GPT-5.1 Instant if…
- you want the strongest raw capability — it leads on 5 of 5 shared benchmarks
- you process long inputs — it offers a 400,000 token context window
- you want the most recent training data — it shipped Nov 2025
Choose Qwen3-Next-80B-A3B-Instruct if…
- cost matters — it's about 7.1x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
GPT-5.1 Instant outperforms in 5 benchmarks (AIME 2025, GPQA, Tau2 Airline, Tau2 Retail, Tau2 Telecom), while Qwen3-Next-80B-A3B-Instruct is better at 0 benchmarks.
GPT-5.1 Instant significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-5.1 Instant ($1.25/1M tokens) is 8.3x more expensive than Qwen3-Next-80B-A3B-Instruct ($0.15/1M tokens).
For output processing, GPT-5.1 Instant ($10.00/1M tokens) is 6.7x more expensive than Qwen3-Next-80B-A3B-Instruct ($1.50/1M tokens).
In conclusion, GPT-5.1 Instant is more expensive than Qwen3-Next-80B-A3B-Instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.1 Instant accepts 400,000 input tokens compared to Qwen3-Next-80B-A3B-Instruct's 65,536 tokens. GPT-5.1 Instant can generate longer responses up to 128,000 tokens, while Qwen3-Next-80B-A3B-Instruct is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.1 Instant supports multimodal inputs, whereas Qwen3-Next-80B-A3B-Instruct does not.
GPT-5.1 Instant can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-5.1 Instant
Qwen3-Next-80B-A3B-Instruct
License
Usage and distribution terms
GPT-5.1 Instant is licensed under a proprietary license, while Qwen3-Next-80B-A3B-Instruct uses Apache 2.0.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
Apache 2.0
Open weights
Release Timeline
When each model was launched
GPT-5.1 Instant was released on 2025-11-12, while Qwen3-Next-80B-A3B-Instruct was released on 2025-09-10.
GPT-5.1 Instant is 2 months newer than Qwen3-Next-80B-A3B-Instruct.
Nov 12, 2025
8 months ago
2mo newerSep 10, 2025
10 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-5.1 Instant is available from OpenAI. Qwen3-Next-80B-A3B-Instruct is available from Novita.
GPT-5.1 Instant
Qwen3-Next-80B-A3B-Instruct
Outputs Comparison
Key Takeaways
Qwen3-Next-80B-A3B-Instruct
View detailsAlibaba Cloud / Qwen Team
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against GPT-5.1 Instant and Qwen3-Next-80B-A3B-Instruct side-by-side, then vote on the output you prefer.
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FAQ
Common questions about GPT-5.1 Instant vs Qwen3-Next-80B-A3B-Instruct.