BenchLeader

Claude Opus 5 vs Qwen3.8 Max

Verdict
  • Claude Opus 5 (high) leads on quality: 68.3 vs 64.2.
  • Claude Opus 5 (high) is stronger in agents & tools, coding, composite, human preference, knowledge, maths, multimodal, reasoning.
  • Qwen3.8 Max (max) is stronger in long context.
  • Qwen3.8 Max (max) is 3.3× cheaper ($3.00 vs $10.00 per 1M blended).
  • Claude Opus 5 (high) streams 1.5× faster (54 vs 37 tokens per second).
MetricClaude Opus 5 (high)Qwen3.8 Max (max)
BenchLeader Index68.364.2
Agents & tools score65.158.2
Coding score69.264.6
Composite score84.170.7
Human preference score68.968.0
Knowledge score76.962.7
Long context score64.765.4
Maths score71.165.1
Multimodal score66.466.2
Reasoning score72.772.2
Blended price $/M$10.00$3.00
Output speed54 tok/s37 tok/s
Time to first answer20.4 s58.9 s
Context window1M1M
Terminal-Bench50.3%27.0%
OSWorld-Verified 2.029.0%–
SciCode54.3%53.2%
WeirdML91.6%–
APEX-Agents–63.3%
ProofBench–58.0%
Epoch Capabilities Index–156.4
LMArena Text14901483
LMArena Hard Prompts15151504
LMArena Coding15341524
LMArena WebDev16571672
LMArena Vision13191314
LMArena Agent82.3
LiveBench–78.5%
LiveBench Reasoning–88.2%
LiveBench Coding–72.9%
LiveBench Agentic Coding–64.7%
LiveBench Mathematics–91.3%
LiveBench Data Analysis–78.4%
LiveBench Language–79.7%
LiveBench Instruction Following–74.1%
AA Intelligence Index v4.3.248.145.4
AA-LCR79.0%80.3%
MMMU-Pro82.4%82.8%
AA-Omniscience33.712.0
GPQA Diamond (AA)93.7%92.8%
Humanity's Last Exam (AA)52.8%43.1%
SciCode (AA)55.4%53.2%
LiveCodeBench–87.8%
MMLU-Pro–88.6%
IOI–68.9%
LegalBench–83.6%
CorpFin–65.8%
TaxEval–75.5%
Terminal-Bench 2.1 (Vals)–67.4%
SWE-bench (Vals)–85.6%
GPQA Diamond (Vals)–93.7%
Vals Index–48.3
ARC-AGI-197.5%–
ARC-AGI-288.3%–
ARC-AGI-330.2%–
CritPt28.3%20.0%
GDPval-AA v2.154.7%58.6%
τ³-Banking (AA)44.7%51.3%
ITBench SRE (AA)–40.3%
Analyst Agent (AA)–45.0%
APEX-Agents (AA)–42.4%
Code Migration–24.0%
CyberBench–28.6%
Excel Modeling Benchmark–60.1%
Finance Agent v2–50.6%
Harvey's Legal Agent Benchmark–10.4%
Legal Research Bench–47.6%
MedCode–40.7%
MedScribe–85.0%
MMMU-Pro (Vals)–88.0%
MortgageTax–64.0%
MysteryMechanism–23.9%
ProgramBench–0.0%
Public Benefits Bench–67.1%
SAGE–51.3%
SkillsBench–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 v1.1–64.7%
LMArena Maths15211497
LMArena Creative Writing14711470
LMArena Instruction Following14971474
LMArena Multi-turn14841492
LMArena Longer Queries15041492
LMArena Document1490–
DeepSWE v1.172.8%–
LMCA63.7%–
DTBench97.9%–
CursorBench44.7%–
ALE-Bench2164.6–
Terminal-Bench 4.0 (AA)46.0%38.9%
Terminal-Bench 2.1 (AA)87.6%88.8%
AutomationBench53.6%56.2%
GDP.pdf19.6%22.8%
MLCR59.4%20.0%
EnterpriseOps-Gym–47.6%
AA-Omniscience: accuracy58.9%31.9%
AA-Omniscience: non-hallucination38.8%71.2%
AA-Briefcase v1.115611617

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

Claude Opus 5 vs Qwen3.8 Max: questions

Is Claude Opus 5 better than Qwen3.8 Max?
Claude Opus 5 (high) leads on quality: 68.3 vs 64.2. The BenchLeader Index combines every independent quality benchmark; Claude Opus 5 (high) is ahead overall as of 2026-10-11, but check the category scores for your use.
Is Claude Opus 5 better than Qwen3.8 Max for coding?
Claude Opus 5 scores higher in coding (69 vs 65 on the category index, where 50 is average).
Is Claude Opus 5 better than Qwen3.8 Max for agentic tasks?
Claude Opus 5 scores higher in agentic tasks (65 vs 58 on the category index, where 50 is average).
Which is cheaper, Claude Opus 5 or Qwen3.8 Max?
Qwen3.8 Max is cheaper: $3.00 against $10.00 per million tokens, blended at three input tokens per output token.
Which is faster, Claude Opus 5 or Qwen3.8 Max?
Claude Opus 5 streams faster: 54 against 37 output tokens per second.
Which has the larger context window?
Both accept 1M tokens of context.