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Claude Opus 4.6 vs Gemini 2.5 Pro

Claude Opus 4.6 leads Gemini 2.5 Pro on coding, 57.2 to 19.1 on the Vibe Coding Index, and Gemini 2.5 Pro costs 2.5x less per output token ($10.00 vs $25.00 per million). Updated October 22, 2026; 79 benchmarks have a result for both.

Replace Claude Opus 4.6 Replace Gemini 2.5 Pro
Claude Opus 4.6Anthropic
Coding
57.2
Overall
66.0
Output $/M
$25.00
74
Gemini 2.5 ProGoogle
Coding
19.1
Overall
41.8
Output $/M
$10.00
5
vs boards won of 79 shared

Claude Opus 4.6 or Gemini 2.5 Pro: which to pick

Pick Claude Opus 4.6 for coding: it scores 57.2 on the Vibe Coding Index against 19.1 for Gemini 2.5 Pro.

Pick Gemini 2.5 Pro for output tokens 2.5x cheaper ($10.00 vs $25.00 per million) and a lower cost per solved task ($0.64 against $1.56).

Model AClaude Opus 4.6Anthropic57.2/1004 independent benchmarks$1.56 per solved taskModel BGemini 2.5 ProGoogle19.1/1003 independent benchmarks$0.64 per solved task
Shared results
79
Claude Opus 4.6 only
31
Gemini 2.5 Pro only
11
Like-for-like categories
8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

At a glance

Coding index
Claude Opus 4.6 57.2 from 4 benchmarks, Gemini 2.5 Pro 19.1 from 3 benchmarks.
Widest category
Coding, 33.4 points apart on average over 12 shared benchmarks.
Widest single gap
ARC-AGI-2: Claude Opus 4.6 69.2% against Gemini 2.5 Pro 4.9%, 64.3 points apart on a 0 to 100 scale.
Output price
Claude Opus 4.6 $25.00 against Gemini 2.5 Pro $10.00 per million output tokens, 2.5x apart.
Context window
Claude Opus 4.6 takes 1M tokens, Gemini 2.5 Pro 1.05M.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
CategoryClaude Opus 4.6BarsGemini 2.5 ProTies
Coding120
Intelligence20
Agentic work30
Reasoning110
Math50
Knowledge54
Web design60
General301
All shared boards745
CodingLike-for-likeSix of these boards feed the Vibe Coding Index120
Coding benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
SWE-bench Verified75.6%53.6%Claude Opus 4.6
SWE-bench Multilingual72.0%Not measuredOnly Claude Opus 4.6 measured
LMArena WebDev15471226Claude Opus 4.6
AA Coding IndexNot measured33.3Only Gemini 2.5 Pro measured
LiveCodeBench (Vals AI)84.7%Not measuredOnly Claude Opus 4.6 measured
SWE-bench Verified (Vals AI)78.2%54.4%Claude Opus 4.6
Vibe Code Bench (Vals AI)57.6%0.4%Claude Opus 4.6
LiveCodeBench (Artificial Analysis run)Not measured80.1%Only Gemini 2.5 Pro measured
SciCodeNot measured46.3%Only Gemini 2.5 Pro measured
Terminal-Bench Hard (Artificial Analysis run)48.5%26.5%Claude Opus 4.6
Terminal-Bench79.8%32.6%Claude Opus 4.6
FrontierCode26.6%Not measuredOnly Claude Opus 4.6 measured
GSO-Bench41.2%3.9%Claude Opus 4.6
WeirdML78.0%54.0%Claude Opus 4.6
Cybench93.0%Not measuredOnly Claude Opus 4.6 measured
LMArena Text: coding15341452Claude Opus 4.6
LMArena Text: software and IT15271459Claude Opus 4.6
LMArena WebDev: React1539Not measuredOnly Claude Opus 4.6 measured
LMArena WebDev: HTML15591235Claude Opus 4.6
LMArena WebDev: from an image15431285Claude Opus 4.6
Neither model has a result on the other 19 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
AA Intelligence Index31.916.1Claude Opus 4.6
Epoch Capabilities Index155.7145.1Claude Opus 4.6
Agentic workLike-for-likePublic boards, shown as published, kept out of the index30
Agentic work benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
AA Agentic IndexNot measured1.6Only Gemini 2.5 Pro measured
Design Arena: agents building web apps1206Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building full-stack apps1220Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building mobile apps1207Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building Android apps1197Not measuredOnly Claude Opus 4.6 measured
Design Arena: agents building games1212Not measuredOnly Claude Opus 4.6 measured
τ²-Bench Telecom92.1%54.1%Claude Opus 4.6
APEX-Agents46.3%Not measuredOnly Claude Opus 4.6 measured
METR time horizons78.9%Not measuredOnly Claude Opus 4.6 measured
Remote Labor Index4.2%Not measuredOnly Claude Opus 4.6 measured
GDPvalNot measured23.3%Only Gemini 2.5 Pro measured
DeepResearch Bench55.3%41.5%Claude Opus 4.6
Vending-Bench 2$8,018$574Claude Opus 4.6
BrowseComp-PlusNot measured29.5%Only Gemini 2.5 Pro measured
Neither model has a result on the other 27 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index110
Reasoning benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
GPQA Diamond89.7%Not measuredOnly Claude Opus 4.6 measured
MMMU Pro (Vals AI)83.9%Not measuredOnly Claude Opus 4.6 measured
GPQA Diamond (Artificial Analysis run)89.6%84.4%Claude Opus 4.6
Humanity's Last Exam (Artificial Analysis run)39.9%22.5%Claude Opus 4.6
GPQA Diamond (Epoch AI run)90.5%85.3%Claude Opus 4.6
ARC-AGI94.0%41.0%Claude Opus 4.6
ARC-AGI-269.2%4.9%Claude Opus 4.6
SimpleBench67.6%Not measuredOnly Claude Opus 4.6 measured
Chess puzzles21.0%Not measuredOnly Claude Opus 4.6 measured
Mystery game puzzles25.0%Not measuredOnly Claude Opus 4.6 measured
EBR-bench12.7%Not measuredOnly Claude Opus 4.6 measured
LMArena Text: hard prompts15251455Claude Opus 4.6
LMArena Text: expert15441452Claude Opus 4.6
LMArena Text: hard prompts in English15301453Claude Opus 4.6
LMArena Vision: diagrams13401274Claude Opus 4.6
LMArena Vision: homework13371281Claude Opus 4.6
Kagi LLM Benchmark83.6%70.3%Claude Opus 4.6
Neither model has a result on the other 5 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index50
Math benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
AIME95.6%Not measuredOnly Claude Opus 4.6 measured
AA Math IndexNot measured87.7Only Gemini 2.5 Pro measured
AIME 2025 (Artificial Analysis run)Not measured87.7%Only Gemini 2.5 Pro measured
OTIS Mock AIME94.4%84.7%Claude Opus 4.6
FrontierMath, tiers 1 to 366.0%24.6%Claude Opus 4.6
FrontierMath, tier 426.8%0.0%Claude Opus 4.6
ProofBench50.0%Not measuredOnly Claude Opus 4.6 measured
LMArena Text: math15181450Claude Opus 4.6
LMArena Text: mathematical work15251454Claude Opus 4.6
Neither model has a result on the other 4 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index54
Knowledge benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
MMLU Pro89.1%Not measuredOnly Claude Opus 4.6 measured
LegalBench (Vals AI)85.3%Not measuredOnly Claude Opus 4.6 measured
CaseLaw (Vals AI)62.1%63.9%Gemini 2.5 Pro
CorpFin (Vals AI)67.0%60.8%Claude Opus 4.6
TaxEval (Vals AI)76.0%Not measuredOnly Claude Opus 4.6 measured
MortgageTax (Vals AI)68.5%68.9%Gemini 2.5 Pro
MedQA (Vals AI)95.4%Not measuredOnly Claude Opus 4.6 measured
MedCode (Vals AI)49.1%50.6%Gemini 2.5 Pro
MMLU Pro (Artificial Analysis run)Not measured86.2%Only Gemini 2.5 Pro measured
SimpleQA Verified47.0%Not measuredOnly Claude Opus 4.6 measured
LMArena Text: science15191480Claude Opus 4.6
LMArena Text: medicine and healthcare15041476Claude Opus 4.6
LMArena Text: legal and government15121480Claude Opus 4.6
LMArena Text: business and finance14971439Claude Opus 4.6
FACTS Benchmark Suite41.5%61.5%Gemini 2.5 Pro
Neither model has a result on the other 3 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index60
Web design benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
Design Arena: websites12911167Claude Opus 4.6
Design Arena: UI components12811137Claude Opus 4.6
Design Arena: game dev12771111Claude Opus 4.6
Design Arena: data viz12791222Claude Opus 4.6
Design Arena: 3D12731080Claude Opus 4.6
Design Arena: all code categories12881152Claude Opus 4.6
Design Arena: SVG1227Not measuredOnly Claude Opus 4.6 measured
Design Arena: ASCII art1255Not measuredOnly Claude Opus 4.6 measured
Neither model has a result on the other 1 board here
GeneralLike-for-likePublic boards, shown as published, kept out of the index301
General benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
SAGE (Vals AI)51.6%41.9%Claude Opus 4.6
MedScribe (Vals AI)86.7%73.5%Claude Opus 4.6
IFBench53.1%48.7%Claude Opus 4.6
Long context reasoning (AA-LCR)78.0%69.0%Claude Opus 4.6
DTBench91.2%82.4%Claude Opus 4.6
LMCA55.8%34.8%Claude Opus 4.6
Creative writing (Lech Mazur)Not measured83.8%Only Gemini 2.5 Pro measured
CL-bench20.7%Not measuredOnly Claude Opus 4.6 measured
Furniture assembly28.3%Not measuredOnly Claude Opus 4.6 measured
CL-bench Life17.0%Not measuredOnly Claude Opus 4.6 measured
LMArena Text15011458Claude Opus 4.6
LMArena Text: instruction following15211437Claude Opus 4.6
LMArena Text: creative writing15051454Claude Opus 4.6
LMArena Vision13161263Claude Opus 4.6
LMArena Text: English15111458Claude Opus 4.6
LMArena Text: non-English14881452Claude Opus 4.6
LMArena Text: Chinese15511507Claude Opus 4.6
LMArena Text: German15001487Claude Opus 4.6
LMArena Text: Japanese14881461Claude Opus 4.6
LMArena Text: Korean14641434Claude Opus 4.6
LMArena Text: French15121473Claude Opus 4.6
LMArena Text: Spanish15101474Claude Opus 4.6
LMArena Text: Russian14971461Claude Opus 4.6
LMArena Text: Polish14991479Claude Opus 4.6
LMArena Text: multi-turn15111453Claude Opus 4.6
LMArena Text: longer queries15181449Claude Opus 4.6
LMArena Text: writing and language15021454Claude Opus 4.6
LMArena Text: entertainment and media14921441Claude Opus 4.6
LMArena Vision: English13241261Claude Opus 4.6
LMArena Vision: Chinese13701300Claude Opus 4.6
LMArena Vision: reading text13261270Claude Opus 4.6
LMArena Vision: humor13141262Claude Opus 4.6
LMArena Vision: captioningNot measured1304Only Gemini 2.5 Pro measured
LMArena Vision: recognizing things12741283Gemini 2.5 Pro
LMArena Vision: creative writing13311265Claude Opus 4.6
LMArena Document15071421Claude Opus 4.6
Neither model has a result on the other 10 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Claude Opus 4.6 and Gemini 2.5 Pro
BenchmarkClaude Opus 4.6Gemini 2.5 ProLeader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Claude Opus 4.6$0.018Fits in one request
Gemini 2.5 Pro$0.0063Fits in one request

Gemini 2.5 Pro costs less

Repository review

50K input + 3K output tokens

Claude Opus 4.6$0.325Fits in one request
Gemini 2.5 Pro$0.092Fits in one request

Gemini 2.5 Pro costs less

Agent loop

200K input + 10K output tokens

Claude Opus 4.6$1.25Fits in one request
Gemini 2.5 Pro$0.350Fits in one request

Gemini 2.5 Pro costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Claude Opus 4.6 and Gemini 2.5 Pro
SpecificationAnthropic Claude Opus 4.6Google Gemini 2.5 Pro
MakerAnthropicGoogle
WeightsNo public weights listedNo public weights listed
ReleasedFebruary 4, 2026June 17, 2025
Context window1M1.05M
Input $/Mtok$5.00$1.25
Output $/Mtok$25.00$10.00
Coding index57.219.1
Independent measurements behind it43
Cost per solved task$1.56$0.64
SourceOpenRouter listingOpenRouter listing

Questions

Is Claude Opus 4.6 better than Gemini 2.5 Pro for coding?

Pick Claude Opus 4.6 for coding: it scores 57.2 on the Vibe Coding Index against 19.1 for Gemini 2.5 Pro. Pick Gemini 2.5 Pro for output tokens 2.5x cheaper ($10.00 vs $25.00 per million) and a lower cost per solved task ($0.64 against $1.56).

Which is cheaper, Claude Opus 4.6 or Gemini 2.5 Pro?

Claude Opus 4.6 costs $5.00 per million input tokens and $25.00 per million output tokens; Gemini 2.5 Pro costs $1.25 and $10.00. Per solved SWE-bench Verified task, Claude Opus 4.6 costs $1.56 and Gemini 2.5 Pro $0.64.

Which has the bigger context window, Claude Opus 4.6 or Gemini 2.5 Pro?

Gemini 2.5 Pro, with 1.05M tokens against 1M.

How many benchmarks is the Claude Opus 4.6 vs Gemini 2.5 Pro comparison based on?

79 benchmarks have a result for both models as of October 22, 2026. Claude Opus 4.6's coding index rests on 4 independent benchmarks and Gemini 2.5 Pro's on 3. Where only one model has a result, the page says so instead of naming a winner.

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