BenchLeader

GPT-5.4 vs Qwen3.8 Max

Verdict
  • GPT-5.4 (xhigh) and Qwen3.8 Max (max) are level on quality (64.2 vs 64.2).
  • GPT-5.4 (xhigh) is stronger in agents & tools, coding, instruction following, long context, maths.
  • Qwen3.8 Max (max) is stronger in composite, knowledge, multimodal, reasoning, human preference.
  • Qwen3.8 Max (max) is 1.9× cheaper ($3.00 vs $5.63 per 1M blended).
  • GPT-5.4 (xhigh) streams 2.5× faster (91 vs 37 tokens per second).
MetricGPT-5.4 (xhigh)Qwen3.8 Max (max)
BenchLeader Index64.264.2
Agents & tools score63.658.2
Coding score64.764.6
Composite score66.370.7
Instruction following score72.1–
Knowledge score59.962.7
Long context score66.365.4
Maths score65.465.1
Multimodal score61.666.2
Reasoning score69.572.2
Human preference score–68.0
Blended price $/M$5.63$3.00
Output speed91 tok/s37 tok/s
Time to first answer154.5 s58.9 s
Context window1.1M1M
GPQA Diamond93.3%–
FrontierMath Tiers 1–378.6%–
FrontierMath Tier 449.0%–
OTIS Mock AIME95.3%–
SimpleQA Verified45.1%–
Humanity's Last Exam36.2%–
Terminal-Bench–27.0%
SciCode56.6%53.2%
WeirdML77.7%–
APEX-Agents–63.3%
ProofBench56.0%58.0%
GSO-Bench31.4%–
Epoch Capabilities Index–156.4
LMArena Text–1483
LMArena Hard Prompts–1504
LMArena Coding–1524
LMArena WebDev–1672
LMArena Vision–1314
LMArena Agent–2.3
LiveBench78.0%78.5%
LiveBench Reasoning88.1%88.2%
LiveBench Coding77.5%72.9%
LiveBench Agentic Coding53.8%64.7%
LiveBench Mathematics94.2%91.3%
LiveBench Data Analysis79.3%78.4%
LiveBench Language82.6%79.7%
LiveBench Instruction Following70.2%74.1%
AA Intelligence Index v4.3.239.045.4
IFBench74.0%–
AA-LCR82.0%80.3%
MMMU-Pro78.4%82.8%
AA-Omniscience5.812.0
Terminal-Bench Hard57.6%–
GPQA Diamond (AA)92.0%92.8%
Humanity's Last Exam (AA)43.7%43.1%
SciCode (AA)–53.2%
τ²-Bench Telecom (AA)87.1%–
AIME (Vals)96.7%–
LiveCodeBench84.1%87.8%
MMLU-Pro87.5%88.6%
IOI–68.9%
LegalBench86.0%83.6%
CorpFin65.3%65.8%
TaxEval74.0%75.5%
MedQA96.1%–
Terminal-Bench 2.1 (Vals)–67.4%
SWE-bench (Vals)78.2%85.6%
GPQA Diamond (Vals)91.7%93.7%
Vals Index–48.3
AIME 202699.2%–
HMMT February 202697.7%–
MathArena Apex54.2%–
SWE-Bench Pro59.1%–
MCP Atlas70.6%–
ARC-AGI-193.7%–
ARC-AGI-274.0%–
CritPt23.4%20.0%
GDPval-AA v2.137.4%58.6%
τ³-Banking (AA)39.6%51.3%
ITBench SRE (AA)–40.3%
Analyst Agent (AA)–45.0%
APEX-Agents (AA)33.3%42.4%
CaseLaw v263.8%–
Code Migration35.0%24.0%
CyberBench–28.6%
Excel Modeling Benchmark–60.1%
Finance Agent v2–50.6%
Harvey's Legal Agent Benchmark0.0%10.4%
Legal Research Bench–47.6%
MedCode41.3%40.7%
MedScribe77.5%85.0%
MMMU-Pro (Vals)87.5%88.0%
MortgageTax68.3%64.0%
MysteryMechanism–23.9%
ProgramBench0.0%0.0%
Public Benefits Bench–67.1%
SAGE43.3%51.3%
SkillsBench51.7%42.0%
Tax Agent Bench–66.0%
Terminal-Bench 4.0 (Vals)–34.3%
Terminal-Bench Science–1.4%
Vals Multimodal Index–65.4%
Vibe Code Bench 1-100–12.8%
Vibe Code Bench v1.167.4%64.7%
SWE-Bench Pro (private)59.1%–
SWE Atlas: Codebase QnA40.8%–
SWE Atlas: Refactoring44.3%–
SWE Atlas: Test Writing44.4%–
LMArena Maths–1497
LMArena Creative Writing–1470
LMArena Instruction Following–1474
LMArena Multi-turn–1492
LMArena Longer Queries–1492
Chess Puzzles44.0%–
EBR-bench25.4%–
Mystery Game Puzzles37.0%–
CL-bench27.9%–
CL-bench Life21.7%–
METR Time Horizons74.3%–
DeepSWE v1.151.8%–
LMCA52.0%–
DTBench94.4%–
Terminal-Bench 4.0 (AA)–38.9%
Terminal-Bench 2.1 (AA)78.3%88.8%
AutomationBench–56.2%
GDP.pdf–22.8%
MLCR–20.0%
EnterpriseOps-Gym–47.6%
AA-Omniscience: accuracy50.9%31.9%
AA-Omniscience: non-hallucination8.3%71.2%
AA-Briefcase v1.1–1617

Data as of 2026-10-11. Best configuration of each model; every score links to its source on the model pages.

GPT-5.4 vs Qwen3.8 Max: questions

Is GPT-5.4 better than Qwen3.8 Max?
GPT-5.4 (xhigh) and Qwen3.8 Max (max) are level on quality (64.2 vs 64.2). The BenchLeader Index combines every independent quality benchmark; Qwen3.8 Max (max) is ahead overall as of 2026-10-11, but check the category scores for your use.
Is GPT-5.4 better than Qwen3.8 Max for coding?
GPT-5.4 scores higher in coding (65 vs 65 on the category index, where 50 is average).
Is GPT-5.4 better than Qwen3.8 Max for agentic tasks?
GPT-5.4 scores higher in agentic tasks (64 vs 58 on the category index, where 50 is average).
Which is cheaper, GPT-5.4 or Qwen3.8 Max?
Qwen3.8 Max is cheaper: $3.00 against $5.63 per million tokens, blended at three input tokens per output token.
Which is faster, GPT-5.4 or Qwen3.8 Max?
GPT-5.4 streams faster: 91 against 37 output tokens per second.
Which has the larger context window?
GPT-5.4 accepts more context: 1.1M against 1M tokens.