GPT-5.6 vs Qwen 3
Pricing, benchmarks, and use case comparison
Quick take
- •GPT-5.6 is meaningfully stronger at multimodal (87 vs 30 on our capability index).
- •Qwen 3 is meaningfully stronger at cost efficiency (90 vs 70).
- •Qwen 3 is open-weights (free to self-host); GPT-5.6 is paid API only.
Specs comparison
| GPT-5.6 | Qwen 3 | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen Team) |
| Type | Closed source | Open source |
| Context window | Not announced | ✓128K tokens (32K for 0.6B/1.7B/4B dense variants) |
| Input / 1M tokens | 5 | ✓Free (self-host) |
| Output / 1M tokens | 30 | Free (self-host) |
| Release date | 2026-06 | 2025-04 |
Benchmarks
| Benchmark | GPT-5.6 | Qwen 3 |
|---|---|---|
| Terminal-Bench 2.1 (Sol) | 88.8% | - |
| Terminal-Bench 2.1 (Terra) | 82.5% | - |
| Terminal-Bench 2.1 (Luna) | 84.3% | - |
| Terminal-Bench 2.1 | 88.8 | - |
| ExploitBench | Competitive with Anthropic Mythos Preview | - |
| ExploitGym | Significant improvements | - |
| GeneBench v1 | Not announced | - |
| Qwen3-235B-A22B | - | 235B total / 22B active |
| Qwen3-30B-A3B | - | 30B total / 3B active |
Scores sourced from official provider release posts and independent benchmark aggregators.
Which should you choose?
Choose GPT-5.6 if...
- →You want to standardize on one model generation but route requests across cost/quality tiers
- →You are an approved preview partner exploring the newest OpenAI capabilities
- →Workloads spanning agentic coding, knowledge work, and research where tier flexibility helps
Choose Qwen 3 if...
- →You need an open, self-hostable model with a permissive license
- →You want to toggle deep reasoning on or off per request
- →Multilingual applications
- →Efficient inference via MoE with few active parameters