BenchLeader

GPT-6 Astra vs Qwen3.8 27B

Verdict
  • GPT-6 Astra (high) leads on quality: 71.9 vs 59.2.
  • GPT-6 Astra (high) is stronger in coding, composite, knowledge, maths, multimodal, reasoning.
  • Qwen3.8 27B (xhigh) is stronger in agents & tools, long context.
  • Qwen3.8 27B (xhigh) is 21× cheaper ($0.938 vs $20.00 per 1M blended).
MetricGPT-6 Astra (high)Qwen3.8 27B (xhigh)
BenchLeader Index71.959.2
Agents & tools score64.967.3
Coding score72.853.2
Composite score93.872.0
Knowledge score85.156.4
Long context score66.567.5
Maths score79.5
Multimodal score71.260.7
Reasoning score81.952.5
Blended price $/M$20.00$0.938
Output speed47 tok/s42 tok/s
Time to first answer49.2 s51.0 s
Context window1.1M262k
FrontierMath Tier 497.6%
Terminal-Bench57.9%
SciCode55.4%44.7%
WeirdML92.9%
AA Intelligence Index51.033.9
AA-LCR80.0%82.0%
MMMU-Pro86.4%76.3%
AA-Omniscience43.7-10.0
GPQA Diamond (AA)95.0%90.5%
Humanity's Last Exam (AA)53.1%33.9%
SciCode (AA)55.4%46.6%
LiveCodeBench84.0%
MMLU-Pro84.3%
IOI39.1%
LegalBench82.4%
TaxEval70.8%
Terminal-Bench 2.1 (Vals)58.4%
SWE-bench (Vals)86.0%
GPQA Diamond (Vals)88.9%
Vals Index48.5
ARC-AGI-198.5%
ARC-AGI-292.1%
ARC-AGI-399.9%
CritPt28.9%5.4%
GDPval (AA)51.5%48.2%
τ²-Bench Banking (AA)40.0%48.0%
Code Migration14.2%
Excel Modeling Benchmark59.7%
Finance Agent v248.5%
Harvey's Legal Agent Benchmark11.3%
Legal Research Bench36.1%
MedCode28.7%
MedScribe83.8%
MMMU-Pro (Vals)83.9%
MortgageTax64.9%
ProgramBench0.0%
SAGE52.4%
SkillsBench38.1%
Terminal-Bench 4.0 (Vals)4.0%
Terminal-Bench Science1.4%
Vibe Code Bench v1.164.8%
MirrorCode46.7%
Surface Evolver Bench45.0%
DeepSWE73.2%

Data as of 2026-09-19. Best configuration of each model; every score links to its source on the model pages.

GPT-6 Astra vs Qwen3.8 27B: questions

Is GPT-6 Astra better than Qwen3.8 27B?
GPT-6 Astra (high) leads on quality: 71.9 vs 59.2. The BenchLeader Index combines every independent quality benchmark; GPT-6 Astra (high) is ahead overall as of 2026-09-19, but check the category scores for your use.
Is GPT-6 Astra better than Qwen3.8 27B for coding?
GPT-6 Astra scores higher in coding (73 vs 53 on the category index, where 50 is average).
Is GPT-6 Astra better than Qwen3.8 27B for agentic tasks?
Qwen3.8 27B scores higher in agentic tasks (67 vs 65 on the category index, where 50 is average).
Which is cheaper, GPT-6 Astra or Qwen3.8 27B?
Qwen3.8 27B is cheaper: $0.938 against $20.00 per million tokens, blended at three input tokens per output token.
Which is faster, GPT-6 Astra or Qwen3.8 27B?
GPT-6 Astra streams faster: 47 against 42 output tokens per second.
Which has the larger context window?
GPT-6 Astra accepts more context: 1.1M against 262k tokens.