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Gemini 2.5 Pro

Release Date 2025-06-17(Knowledge cutoff 2025-01-31)··1.0M IN · 66K OUTProprietary Model|API availableEnds 2026-10-20
Overall2.5Top 66%Automation2.0Top 85%Office2.0Top 71%Coding2.0Top 88%

Gemini 2.5 Pro is Google's state-of-the-art reasoning model, designed for advanced coding, mathematics, and scientific tasks that demand deep analytical thinking. It employs built-in "thinking" capabilities that enable step-by-step reasoning through complex problems with enhanced accuracy, and achieved first place on the LMArena leaderboard upon release, reflecting superior human-preference alignment. With a 1M-token context window and multimodal input support, it excels at complex problem-solving, long-document analysis, and research-grade workflows requiring the highest level of reasoning depth.

  1. 01ImagesGenerated images
  2. 02CostCost · Usage · Speed
  3. 03User CompareUser Comparisons
  4. 04Expert EvalExpert Performance Evaluation
  5. 05OpinionPublic Opinion
  6. 06Related Info

API cost

Official price
$1.25IN$10OUT
Calculate Cost
SourceGoogle official docs

Output Speed

Fastper 2,000 tokens
First Output2.8s
total28.8s
77tok/s
First Output 2.8stotal: 28.8s
SourceOpenRouterLast updatedOct 8, 2026

Expert Performance Evaluation

Overall performance

MoreAll overall performance AI rankings
16.1144686.2%

About AA Intelligence IndexMore about AA Intelligence Index

Automation (agents)

MoreAll automation AI rankings
9.7%$57454.1%8.8%11.4%

About τ³-BankingMore about τ³-Banking

Documents and office work

MoreAll documents and office work AI rankings
69.0%143723.3%60.8%50.6%142141.6%

About Long Context ReasoningMore about Long Context Reasoning

Research and fact-checking

MoreAll research and fact-checking AI rankings
146241.5%24.6%7.0%93.0%60.1

About Arena Text FactualityMore about Arena Text Factuality

Coding

MoreAll coding AI rankings
0.0%146578628.5%26.5%33.3122780.1%46.3%57.6%54.0%3.9%146032.6%1.51×

About Terminal-Bench 4.0More about Terminal-Bench 4.0

Writing and chat

MoreAll writing and chat AI rankings
1445144848.7%144314388.38 / 1073.6%1431

About Arena Writing, Literature & LanguageMore about Arena Writing, Literature & Language

Math and science

MoreAll math and science AI rankings
22.5%2.0%143984.4%84.7%87.787.7%24.6%0.0%1472144796.7%14.1%4.2%41.0%4.9%20.0%82.4%34.8

About Humanity's Last ExamMore about Humanity's Last Exam

Image understanding

MoreAll image understanding and analysis AI rankings
126369.6%44.7%68.0%

About Arena VisionMore about Arena Vision

Specialized fields

1414144589.5%145814581469146990.0%58.1%74.3%46.9%63.2%61.5%93.2%93.8%92.8%82.5%80.0%31.6%95.7%84.7%0.5%77.2%15.8%78.2%85.9%75.3%45.8%84.9%24.4%5.0%26.0%

About Arena KoreanMore about Arena Korean

See each evaluation’s detail page for its source and last update·Data sources & removal requests

Related Info

Google
Public
Google
🇺🇸 Mountain View1998$4.3T~2,500 (DeepMind)
Nano Banana 2.1Gemini 4 ArgonGemini 3.8 Flash TTSGemini 3.8 Flash Lite TTSGemini 3.8 Flash