BenchLeader

GPT-5.6 Terra vs Qwen3.8 Max

Verdict
  • GPT-5.6 Terra (max) and Qwen3.8 Max (max) are level on quality (63.7 vs 64.2).
  • GPT-5.6 Terra (max) 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 1.5× cheaper ($3.00 vs $4.50 per 1M blended).
  • GPT-5.6 Terra (max) streams 2.9× faster (108 vs 37 tokens per second).
MetricGPT-5.6 Terra (max)Qwen3.8 Max (max)
BenchLeader Index63.764.2
Agents & tools score58.858.2
Coding score64.764.6
Composite score68.170.7
Instruction following score69.8–
Knowledge score57.562.7
Long context score66.865.4
Maths score69.365.1
Multimodal score63.966.2
Reasoning score70.472.2
Human preference score–68.0
Blended price $/M$4.50$3.00
Output speed108 tok/s37 tok/s
Time to first answer113.7 s58.9 s
Context window1.1M1M
GPQA Diamond93.3%–
FrontierMath Tiers 1–386.0%–
FrontierMath Tier 470.7%–
OTIS Mock AIME99.7%–
SimpleQA Verified43.2%–
Terminal-Bench21.5%27.0%
SciCode55.0%53.2%
APEX-Agents58.2%63.3%
ProofBench–58.0%
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
LiveBench77.9%78.5%
LiveBench Reasoning90.6%88.2%
LiveBench Coding78.3%72.9%
LiveBench Agentic Coding55.0%64.7%
LiveBench Mathematics94.9%91.3%
LiveBench Data Analysis79.3%78.4%
LiveBench Language82.9%79.7%
LiveBench Instruction Following64.6%74.1%
AA Intelligence Index v4.3.242.145.4
IFBench71.2%–
AA-LCR83.0%80.3%
MMMU-Pro80.7%82.8%
AA-Omniscience0.112.0
Terminal-Bench Hard57.6%–
GPQA Diamond (AA)92.5%92.8%
Humanity's Last Exam (AA)42.9%43.1%
SciCode (AA)55.0%53.2%
τ²-Bench Telecom (AA)86.3%–
LiveCodeBench–87.8%
MMLU-Pro–88.6%
IOI87.6%68.9%
LegalBench85.1%83.6%
CorpFin–65.8%
TaxEval–75.5%
Terminal-Bench 2.1 (Vals)77.5%67.4%
SWE-bench (Vals)95.4%85.6%
GPQA Diamond (Vals)–93.7%
Vals Index53.148.3
ARC-AGI-196.5%–
ARC-AGI-283.9%–
ARC-AGI-30.8%–
CritPt30.0%20.0%
GDPval-AA v2.147.7%58.6%
τ³-Banking (AA)40.2%51.3%
ITBench SRE (AA)51.0%40.3%
Analyst Agent (AA)–45.0%
APEX-Agents (AA)38.9%42.4%
Code Migration47.8%24.0%
CyberBench72.1%28.6%
Excel Modeling Benchmark66.2%60.1%
Finance Agent v254.4%50.6%
Harvey's Legal Agent Benchmark0.8%10.4%
Legal Research Bench41.4%47.6%
MedCode–40.7%
MedScribe–85.0%
MMMU-Pro (Vals)86.5%88.0%
MortgageTax–64.0%
MysteryMechanism–23.9%
ProgramBench0.5%0.0%
Public Benefits Bench62.4%67.1%
SAGE47.0%51.3%
SkillsBench58.9%42.0%
Tax Agent Bench65.2%66.0%
Terminal-Bench 4.0 (Vals)22.7%34.3%
Terminal-Bench Science10.0%1.4%
Vals Multimodal Index–65.4%
Vibe Code Bench 1-10014.8%12.8%
Vibe Code Bench v1.174.6%64.7%
LMArena Maths–1497
LMArena Creative Writing–1470
LMArena Instruction Following–1474
LMArena Multi-turn–1492
LMArena Longer Queries–1492
Chess Puzzles54.0%–
Mystery Game Puzzles35.0%–
BALROG53.2%–
DeepSWE v1.169.6%–
LMCA55.0%–
DTBench93.3%–
CursorBench41.3%–
ALE-Bench1951.4–
Terminal-Bench 4.0 (AA)35.4%38.9%
Terminal-Bench 2.1 (AA)88.0%88.8%
AutomationBench–56.2%
GDP.pdf–22.8%
MLCR–20.0%
EnterpriseOps-Gym–47.6%
AA-Omniscience: accuracy46.8%31.9%
AA-Omniscience: non-hallucination12.1%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-5.6 Terra vs Qwen3.8 Max: questions

Is GPT-5.6 Terra better than Qwen3.8 Max?
GPT-5.6 Terra (max) and Qwen3.8 Max (max) are level on quality (63.7 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-5.6 Terra better than Qwen3.8 Max for coding?
GPT-5.6 Terra scores higher in coding (65 vs 65 on the category index, where 50 is average).
Is GPT-5.6 Terra better than Qwen3.8 Max for agentic tasks?
GPT-5.6 Terra scores higher in agentic tasks (59 vs 58 on the category index, where 50 is average).
Which is cheaper, GPT-5.6 Terra or Qwen3.8 Max?
Qwen3.8 Max is cheaper: $3.00 against $4.50 per million tokens, blended at three input tokens per output token.
Which is faster, GPT-5.6 Terra or Qwen3.8 Max?
GPT-5.6 Terra streams faster: 108 against 37 output tokens per second.
Which has the larger context window?
GPT-5.6 Terra accepts more context: 1.1M against 1M tokens.