BenchLeader

GPT-5.6 Sol vs Mimo v2 Pro

Verdict
  • GPT-5.6 Sol (high) leads on quality: 68.2 vs 60.6.
  • GPT-5.6 Sol (high) is stronger in agents & tools, coding, composite, instruction following, knowledge, long context, multimodal.
  • Mimo v2 Pro is stronger in reasoning, human preference.
  • Mimo v2 Pro is 2.7× cheaper ($3.00 vs $8.00 per 1M blended).
MetricGPT-5.6 Sol (high)Mimo v2 Pro
BenchLeader Index68.260.6
Agents & tools score87.969.4
Coding score72.454.7
Composite score82.765.2
Instruction following score67.867.5
Knowledge score73.866.3
Long context score67.460.5
Multimodal score66.4
Reasoning score63.365.2
Human preference score64.5
Blended price $/M$8.00$3.00
Output speed59 tok/s
Time to first answer31.0 s
Context window1M1.0M
SciCode56.9%
WeirdML88.8%
LMArena Text1448
LMArena Hard Prompts1476
LMArena Coding1503
LMArena WebDev1433
AA Intelligence Index42.528.6
IFBench69.2%68.8%
AA-LCR81.7%68.3%
MMMU-Pro81.8%
AA-Omniscience20.44.6
Terminal-Bench Hard62.1%40.9%
GPQA Diamond (AA)92.8%87.0%
Humanity's Last Exam (AA)46.0%30.4%
SciCode (AA)57.8%
τ²-Bench Telecom (AA)83.3%95.0%
EnigmaEval37.1%
ARC-AGI-197.0%
ARC-AGI-285.4%
ARC-AGI-32.2%

Data as of 2026-09-10. Best configuration of each model; every score links to its source on the model pages.

GPT-5.6 Sol vs Mimo v2 Pro: questions

Is GPT-5.6 Sol better than Mimo v2 Pro?
GPT-5.6 Sol (high) leads on quality: 68.2 vs 60.6. The BenchLeader Index combines every independent quality benchmark; GPT-5.6 Sol (high) is ahead overall as of 2026-09-10, but check the category scores for your use.
Is GPT-5.6 Sol better than Mimo v2 Pro for coding?
GPT-5.6 Sol scores higher in coding (72 vs 55 on the category index, where 50 is average).
Is GPT-5.6 Sol better than Mimo v2 Pro for agentic tasks?
GPT-5.6 Sol scores higher in agentic tasks (88 vs 69 on the category index, where 50 is average).
Which is cheaper, GPT-5.6 Sol or Mimo v2 Pro?
Mimo v2 Pro is cheaper: $3.00 against $8.00 per million tokens, blended at three input tokens per output token.
Which has the larger context window?
Mimo v2 Pro accepts more context: 1.0M against 1M tokens.