Model comparison
GPT-6 Astra vs Qwen3.6 Flash
GPT-6 Astra is the stronger model overall, scoring 70.8 to 38.8 on the Noometry Index. Qwen3.6 Flash costs 47× less per token, which makes it the better buy when GPT-6 Astra's lead doesn't matter for your workload.
Last verified . 10 shared benchmarks.
Alibaba (Qwen)Summary
- They share 10 benchmarks with published results for both. GPT-6 Astra scores higher in 3 categories and Qwen3.6 Flash in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-6 Astra leads 85.1 to 29.0.
- The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 93.7% for GPT-6 Astra and 22.5% for Qwen3.6 Flash.
- Qwen3.6 Flash is cheaper at $0.19 / $1.13 per million input/output tokens, against $10 / $50 for GPT-6 Astra.
- GPT-6 Astra accepts more context: 1.05M tokens versus 1M.
Side by side
| GPT-6 Astra | Qwen3.6 Flash | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 70.8 | 38.8 |
| Released | 2026-09-03 | 2026-04-27 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 128K | 66K |
| Input $ / M tokens | $10 | $0.19 |
| Output $ / M tokens | $50 | $1.13 |
| Results tracked | 56 | 13 |
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Category by category
Coding Not comparable
GPT-6 Astra: 73.7 (#2), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| ALE-Bench | 2,951 | 326.4 |
| DeepSWE | 74.1% | — |
| FrontierCode | 53.3% | — |
| LMArena WebDev | 1786 | — |
| FrontierSWE | 65.5% | — |
| SciCode | 56.5% | — |
| GSO | 79.4% | — |
| WeirdML | 93.6% | — |
| LMArena Coding | 1487 | — |
| MirrorCode | 46.7% | — |
Agentic & Tool Use Not comparable
GPT-6 Astra: 52.9 (#3), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| APEX-Agents | 64.7% | — |
| Remote Labor Index | 20.8% | — |
| BALROG | 68.3% | — |
| GDP.pdf | 34.2% | — |
| Vending-Bench 2 | 15,515 | — |
Reasoning GPT-6 Astra leads
GPT-6 Astra: 85.1 (#1), Qwen3.6 Flash: 29.0 (#96)
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| Chess Puzzles | 72% | 20% |
| Mystery Game Puzzles | 84% | 18% |
| DTBench | 97.3% | 77.1% |
| LMCA | 64.4% | 31% |
| Epoch Capabilities Index | 166.45 | 143.26 |
| ARC-AGI-2 | 95% | — |
| SimpleBench | — | 35.2% |
| NYT Connections (extended) | 98.1% | — |
| ARC-AGI-1 | 98.5% | — |
| CritPt | 31.7% | — |
| EBR-Bench | 76.2% | — |
| LMArena Hard Prompts | 1462 | — |
| Bench to the Future 3 | 0.14 | — |
Math GPT-6 Astra leads
GPT-6 Astra: 93.5 (#2), Qwen3.6 Flash: 39.0 (#117)
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 93.7% | 22.5% |
| OTIS Mock AIME 2024-2025 | 100% | 84.4% |
| FrontierMath Tier 4 | 97.6% | — |
| ProofBench | 99% | — |
| LMArena Math | 1465 | — |
| FrontierMath (Feb 2025 set) | — | 10.3% |
| FrontierMath Erdős | 2.9% | — |
| FrontierMath Tier 4 (v1) | — | 0% |
Knowledge GPT-6 Astra leads
GPT-6 Astra: 75.3 (#1), Qwen3.6 Flash: 42.1 (#100)
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| GPQA Diamond | 95.8% | 83.3% |
| SimpleQA Verified | 75.6% | 15.9% |
| Humanity's Last Exam | 54.8% | — |
| Vectara Hallucination Rate | 8.7% | — |
| LMArena Expert | 1483 | — |
Multimodal Not comparable
GPT-6 Astra: 55.0 (#3), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| LMArena Vision | 1281 | — |
| Blueprint-Bench 2 | 49.7% | — |
| Furniture Assembly | 80% | — |
| LMArena Document | 1468 | — |
Multilingual Not comparable
GPT-6 Astra: 53.7 (#61), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| LMArena Non-English | 1430 | — |
| LMArena Chinese | 1484 | — |
| LMArena French | 1456 | — |
| LMArena German | 1440 | — |
| LMArena Japanese | 1379 | — |
| LMArena Korean | 1426 | — |
| LMArena Russian | 1436 | — |
| LMArena Spanish | 1407 | — |
Instruction Following Not comparable
GPT-6 Astra: 76.3 (#44), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| LMArena Instruction Following | 1450 | — |
Long Context Not comparable
GPT-6 Astra: 44.5 (#62), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| LMArena Longer Query | 1456 | — |
Writing & Preference Not comparable
GPT-6 Astra: 75.3 (#7), Qwen3.6 Flash: —
| Benchmark | GPT-6 Astra | Qwen3.6 Flash |
|---|---|---|
| LMArena Text | 1441 | — |
| LMArena Creative Writing | 1418 | — |
| EQ-Bench Creative Writing | 2173 | — |
| LMArena Multi-Turn | 1448 | — |
Frequently asked questions
Is GPT-6 Astra better than Qwen3.6 Flash?
GPT-6 Astra is the stronger model overall, scoring 70.8 to 38.8 on the Noometry Index. Qwen3.6 Flash costs 47× less per token, which makes it the better buy when GPT-6 Astra's lead doesn't matter for your workload.
Which is cheaper, GPT-6 Astra or Qwen3.6 Flash?
Qwen3.6 Flash is cheaper. It lists at $0.19 per million input tokens and $1.13 per million output tokens; GPT-6 Astra lists at $10 and $50.
Which has the bigger context window?
GPT-6 Astra does, with 1.05M tokens against 1M.
How many benchmarks do GPT-6 Astra and Qwen3.6 Flash share?
10 benchmarks have published results for both models. GPT-6 Astra has 56 scored results on Noometry and Qwen3.6 Flash has 13.