BenchLeader

GPT-5.6 Sol vs MiMo-V2.6-Pro

Verdict
  • GPT-5.6 Sol (max) leads on quality: 68.2 vs 64.3.
  • GPT-5.6 Sol (max) is stronger in agents & tools, coding, instruction following, maths, multimodal.
  • MiMo-V2.6-Pro is stronger in composite, knowledge, long context, reasoning.
  • MiMo-V2.6-Pro is 15× cheaper ($0.548 vs $8.00 per 1M blended).
  • GPT-5.6 Sol (max) streams 1.5× faster (82 vs 54 tokens per second).
MetricGPT-5.6 Sol (max)MiMo-V2.6-Pro
BenchLeader Index68.264.3
Agents & tools score66.455.1
Coding score66.6
Composite score76.884.8
Instruction following score71.0
Knowledge score66.266.8
Long context score67.969.1
Maths score74.3
Multimodal score67.3
Reasoning score73.688.8
Blended price $/M$8.00$0.548
Output speed82 tok/s54 tok/s
Time to first answer113.2 s39.8 s
Context window1.1M1.0M
GPQA Diamond93.5%
FrontierMath Tiers 1–389.1%
FrontierMath Tier 482.9%
OTIS Mock AIME100.0%
SimpleQA Verified69.7%
Terminal-Bench37.3%
OSWorld-Verified 2.027.3%
SciCode57.1%
WeirdML87.0%
ProofBench83.0%
LiveBench81.0%
LiveBench Reasoning91.7%
LiveBench Coding83.9%
LiveBench Agentic Coding56.2%
LiveBench Mathematics96.2%
LiveBench Data Analysis79.8%
LiveBench Language87.7%
LiveBench Instruction Following71.8%
AA Intelligence Index47.046.3
IFBench72.7%
AA-LCR84.0%86.3%
MMMU-Pro83.4%
AA-Omniscience22.08.4
Terminal-Bench Hard65.9%
GPQA Diamond (AA)94.1%
Humanity's Last Exam (AA)49.5%49.4%
SciCode (AA)57.1%60.9%
τ²-Bench Telecom (AA)85.1%
LiveCodeBench82.6%
MMLU-Pro89.1%
IOI91.2%
LegalBench87.0%
CorpFin64.4%
TaxEval74.8%
Terminal-Bench 2.1 (Vals)85.8%67.8%
SWE-bench (Vals)96.2%
GPQA Diamond (Vals)95.2%
Vals Index63.759.7
PRBench Finance50.5%
PRBench Legal50.5%
ARC-AGI-196.5%
ARC-AGI-292.5%
ARC-AGI-37.8%
CritPt32.3%26.6%
GDPval (AA)54.4%58.7%
τ²-Bench Banking (AA)44.3%
ITBench SRE (AA)56.2%
Analyst Agent (AA)47.5%
BioMysteryBench71.1%
Code Migration52.9%43.0%
CUA-bench8.3%
Excel Modeling Benchmark72.3%62.9%
Finance Agent v253.8%58.3%
Harvey's Legal Agent Benchmark2.5%10.8%
Legal Research Bench48.1%47.1%
MedCode44.0%
MedScribe85.2%
MMMU-Pro (Vals)88.8%
MortgageTax67.3%
MysteryMechanism33.3%
ProgramBench1.5%
Public Benefits Bench66.5%
SAGE52.6%
SkillsBench54.1%
SREBench30.5%
Tax Agent Bench68.0%
Terminal-Bench 4.0 (Vals)27.8%
Terminal-Bench Science12.9%2.9%
Time Horizon Index: KSP23.8%
Vals Multimodal Index72.6%
Vibe Code Bench 1-10020.0%
Vibe Code Bench v1.180.5%85.2%
Web Search Index43.6%
DrugDiscoveryBench56.5%
Chess Puzzles55.0%
EBR-bench44.8%
Mystery Game Puzzles58.0%
BALROG60.0%
PostTrainBench36.2%
DeepSWE72.7%
LMCA58.4%
DTBench95.5%
CursorBench41.7%
ALE-Bench2176.9
GDP.pdf30.7%
FrontierSWE32.2%
BTF-313.7%
Terminal-Bench 4.0 (AA)39.9%34.9%
Terminal-Bench 2.1 (AA)88.0%
AutomationBench60.1%58.6%
GDP.pdf27.2%19.2%
MLCR26.1%
Harvey LAB87.2%
EnterpriseOps-Gym42.9%
AA-Omniscience: accuracy59.4%34.9%
AA-Omniscience: non-hallucination7.8%59.4%
AA-Briefcase14871522

Data as of 2026-09-23. Best configuration of each model; every score links to its source on the model pages.

GPT-5.6 Sol vs MiMo-V2.6-Pro: questions

Is GPT-5.6 Sol better than MiMo-V2.6-Pro?
GPT-5.6 Sol (max) leads on quality: 68.2 vs 64.3. The BenchLeader Index combines every independent quality benchmark; GPT-5.6 Sol (max) is ahead overall as of 2026-09-23, but check the category scores for your use.
Is GPT-5.6 Sol better than MiMo-V2.6-Pro for agentic tasks?
GPT-5.6 Sol scores higher in agentic tasks (66 vs 55 on the category index, where 50 is average).
Which is cheaper, GPT-5.6 Sol or MiMo-V2.6-Pro?
MiMo-V2.6-Pro is cheaper: $0.548 against $8.00 per million tokens, blended at three input tokens per output token.
Which is faster, GPT-5.6 Sol or MiMo-V2.6-Pro?
GPT-5.6 Sol streams faster: 82 against 54 output tokens per second.
Which has the larger context window?
GPT-5.6 Sol accepts more context: 1.1M against 1.0M tokens.