BenchLeader

Claude Opus 5.5 vs Dola Seed 2.0 Pro

Verdict
  • Claude Opus 5.5 (thinking) leads on quality: 70.7 vs 59.2.
  • Claude Opus 5.5 (thinking) is stronger in composite, knowledge, long context, multimodal, reasoning.
  • Dola Seed 2.0 Pro is stronger in coding, human preference, maths.
MetricClaude Opus 5.5 (thinking)Dola Seed 2.0 Pro
BenchLeader Index70.759.2
Composite score95.0
Knowledge score85.0
Long context score68.5
Multimodal score71.962.3
Reasoning score95.065.5
Coding score66.1
Human preference score65.2
Maths score64.2
Blended price $/M$8.00
Output speed48 tok/s
Time to first answer4.2 s
Context window1M
LMArena Text1456
LMArena Hard Prompts1480
LMArena Coding1513
LMArena Vision1275
AA Intelligence Index57.6
AA-LCR84.7%
MMMU-Pro87.7%
AA-Omniscience46.4
Humanity's Last Exam (AA)61.4%
SciCode (AA)66.9%
CritPt31.7%
GDPval (AA)67.3%
LMArena Maths1451
LMArena Creative Writing1402
LMArena Instruction Following1434
LMArena Multi-turn1448
LMArena Longer Queries1451
Terminal-Bench 4.0 (AA)59.6%
AutomationBench69.5%
GDP.pdf26.2%
Harvey LAB91.2%
AA-Omniscience: accuracy66.2%
AA-Omniscience: non-hallucination41.4%
AA-Briefcase1822

Data as of 2026-09-22. Best configuration of each model; every score links to its source on the model pages.

Claude Opus 5.5 vs Dola Seed 2.0 Pro: questions

Is Claude Opus 5.5 better than Dola Seed 2.0 Pro?
Claude Opus 5.5 (thinking) leads on quality: 70.7 vs 59.2. The BenchLeader Index combines every independent quality benchmark; Claude Opus 5.5 (thinking) is ahead overall as of 2026-09-22, but check the category scores for your use.