Enter opens the highlighted result. Esc closes.

Gemini 4 Carbon vs Inkling

Gemini 4 Carbon leads Inkling on coding, 86.6 to 29.2 on the Vibe Coding Index, and Inkling costs 2.5x less per output token ($4.05 vs $10.00 per million). Updated November 14, 2026; 63 benchmarks have a result for both.

Replace Gemini 4 Carbon Replace Inkling
Gemini 4 CarbonGoogle
Coding
86.6
Overall
88.3
Output $/M
$10.00
63
T InklingThinking Machines
Coding
29.2
Overall
43.1
Output $/M
$4.05
0
vs boards won of 63 shared

Gemini 4 Carbon or Inkling: which to pick

Pick Gemini 4 Carbon for coding: it scores 86.6 on the Vibe Coding Index against 29.2 for Inkling, though on 4 benchmarks against 6.

Pick Inkling for output tokens 2.5x cheaper ($4.05 vs $10.00 per million).

Model AGemini 4 CarbonGoogle86.6/1004 independent benchmarksNo cost per solved taskModel BInklingThinking Machines29.2/1006 independent benchmarks$0.76 per solved task
Shared results
63
Gemini 4 Carbon only
10
Inkling only
52
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
Gemini 4 Carbon 86.6 from 4 benchmarks, Inkling 29.2 from 6 benchmarks.
Widest category
Coding, 45.6 points apart on average over 12 shared benchmarks.
Widest single gap
FrontierMath, tier 4: Gemini 4 Carbon 95.1% against Inkling 4.9%, 90.2 points apart on a 0 to 100 scale.
Output price
Gemini 4 Carbon $10.00 against Inkling $4.05 per million output tokens, 2.5x apart.
Context window
Gemini 4 Carbon takes 1.05M tokens, Inkling 524K.

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
CategoryGemini 4 CarbonBarsInklingTies
Coding120
Intelligence20
Agentic work70
Reasoning110
Math40
Knowledge60
Web design60
General150
All shared boards630
CodingLike-for-likeSix of these boards feed the Vibe Coding Index120
Coding benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
LiveBench coding91.0%48.7%Gemini 4 Carbon
LMArena WebDev17681414Gemini 4 Carbon
AA Coding IndexNot measured52.1Only Inkling measured
LiveCodeBench (Vals AI)Not measured85.5%Only Inkling measured
SWE-bench Verified (Vals AI)Not measured77.6%Only Inkling measured
Terminal-Bench 4 (Vals AI)63.1%0.5%Gemini 4 Carbon
Vibe Code Bench (Vals AI)89.1%19.2%Gemini 4 Carbon
Code migration (Vals AI)Not measured11.8%Only Inkling measured
ProgramBench (Vals AI)Not measured0.0%Only Inkling measured
IOI (Vals AI)Not measured14.9%Only Inkling measured
Terminal-Bench 2.1 (Vals AI)Not measured47.6%Only Inkling measured
Vibe Code Bench 1-100 (Vals AI)Not measured7.3%Only Inkling measured
SkillsBench (Vals AI)Not measured26.1%Only Inkling measured
CyberBench (Vals AI)Not measured66.8%Only Inkling measured
SciCodeNot measured47.0%Only Inkling measured
Terminal-Bench 4.0 (Artificial Analysis run)65.2%1.0%Gemini 4 Carbon
FrontierCode 2.040.6%3.9%Gemini 4 Carbon
FrontierCodeNot measured14.0%Only Inkling measured
FrontierSWE61.2%4.1%Gemini 4 Carbon
WeirdMLNot measured32.3%Only Inkling measured
ALE-Bench2374.7946.0Gemini 4 Carbon
LMArena Text: coding15641467Gemini 4 Carbon
LMArena Text: software and IT15521467Gemini 4 Carbon
LMArena WebDev: React17921404Gemini 4 Carbon
LMArena WebDev: HTML17701404Gemini 4 Carbon
SWE-Bench Pro V2Not measured89.9%Only Inkling measured
GameBench 2Not measured31.3Only Inkling measured
Terminal-Bench 4.0Not measured0.0%Only Inkling measured
CursorBench 4.060.4%Not measuredOnly Gemini 4 Carbon measured
Neither model has a result on the other 23 boards here
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index20
Intelligence benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
AA Intelligence Index60.012.5Gemini 4 Carbon
Epoch Capabilities Index169.8148.4Gemini 4 Carbon
Agentic workLike-for-likePublic boards, shown as published, kept out of the index70
Agentic work benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
AA Agentic IndexNot measured22.5Only Inkling measured
Design Arena: agents building web appsNot measured1172Only Inkling measured
Design Arena: agents building mobile apps1284Not measuredOnly Gemini 4 Carbon measured
Design Arena: spreadsheets1224Not measuredOnly Gemini 4 Carbon measured
LiveBench research92.5%60.3%Gemini 4 Carbon
LiveBench browser80.0%12.0%Gemini 4 Carbon
LiveBench long agentic72.7%9.8%Gemini 4 Carbon
SREBench (Vals AI)Not measured0.0%Only Inkling measured
Finance Agent (Vals AI)Not measured46.6%Only Inkling measured
Tax Agent Bench (Vals AI)51.8%15.3%Gemini 4 Carbon
Legal Research Bench (Vals AI)55.8%28.4%Gemini 4 Carbon
Harvey's Legal Agent Benchmark (Vals AI)17.5%3.8%Gemini 4 Carbon
Excel Modeling Benchmark (Vals AI)Not measured38.4%Only Inkling measured
APEX-Agents84.2%33.8%Gemini 4 Carbon
Vending-Bench 2$16,484Not measuredOnly Gemini 4 Carbon measured
MCP AtlasNot measured76.0%Only Inkling measured
Toolathlon-VerifiedNot measured45.5%Only Inkling measured
τ³-BankingNot measured25.0%Only Inkling measured
Neither model has a result on the other 26 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index110
Reasoning benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
GPQA DiamondNot measured87.1%Only Inkling measured
LiveBench reasoning90.6%78.3%Gemini 4 Carbon
MMMU Pro (Vals AI)Not measured78.5%Only Inkling measured
GPQA Diamond (Artificial Analysis run)Not measured87.2%Only Inkling measured
Humanity's Last Exam (Artificial Analysis run)Not measured31.9%Only Inkling measured
HLE-Diamond (Artificial Analysis run)69.1%10.6%Gemini 4 Carbon
CritPt v2, hard subset (Artificial Analysis run)69.0%18.0%Gemini 4 Carbon
GPQA Diamond (Epoch AI run)96.5%88.3%Gemini 4 Carbon
ARC-AGI98.5%79.5%Gemini 4 Carbon
ARC-AGI-294.2%36.5%Gemini 4 Carbon
SimpleBench92.6%50.0%Gemini 4 Carbon
Chess puzzles78.0%21.0%Gemini 4 Carbon
Mystery game puzzles73.0%Not measuredOnly Gemini 4 Carbon measured
EBR-bench87.6%Not measuredOnly Gemini 4 Carbon measured
LMArena Text: hard prompts15511453Gemini 4 Carbon
LMArena Text: expert15821469Gemini 4 Carbon
LMArena Text: hard prompts in English15451449Gemini 4 Carbon
Humanity's Last Exam (Scale run)Not measured11.2%Only Inkling measured
Neither model has a result on the other 8 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index40
Math benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
OTIS Mock AIME100.0%88.9%Gemini 4 Carbon
FrontierMath, tiers 1 to 390.5%33.3%Gemini 4 Carbon
FrontierMath, tier 495.1%4.9%Gemini 4 Carbon
ProofBenchNot measured0.0%Only Inkling measured
LMArena Text: mathNot measured1481Only Inkling measured
LMArena Text: mathematical work15381466Gemini 4 Carbon
MathArena85.4%Not measuredOnly Gemini 4 Carbon measured
Neither model has a result on the other 7 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index60
Knowledge benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
MMLU ProNot measured86.3%Only Inkling measured
LegalBench (Vals AI)Not measured83.0%Only Inkling measured
CorpFin (Vals AI)Not measured68.6%Only Inkling measured
TaxEval (Vals AI)Not measured75.3%Only Inkling measured
MortgageTax (Vals AI)Not measured64.0%Only Inkling measured
MedCode (Vals AI)Not measured41.2%Only Inkling measured
AA-Omniscience53.5-1.5Gemini 4 Carbon
SimpleQA Verified77.7%40.3%Gemini 4 Carbon
LMArena Text: science15351459Gemini 4 Carbon
LMArena Text: medicine and healthcare15251450Gemini 4 Carbon
LMArena Text: legal and government15421448Gemini 4 Carbon
LMArena Text: business and finance15201439Gemini 4 Carbon
FACTS Benchmark Suite78.4%Not measuredOnly Gemini 4 Carbon measured
PRBench Legal53.3%Not measuredOnly Gemini 4 Carbon measured
Neither model has a result on the other 7 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index60
Web design benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
Design Arena: websites13191215Gemini 4 Carbon
Design Arena: UI components13571189Gemini 4 Carbon
Design Arena: game dev13261152Gemini 4 Carbon
Design Arena: data vizNot measured1158Only Inkling measured
Design Arena: 3D14341141Gemini 4 Carbon
Design Arena: all code categories13481194Gemini 4 Carbon
Design Arena: SVGNot measured1101Only Inkling measured
Design Arena: ASCII artNot measured1088Only Inkling measured
LiveBench design80.2%55.2%Gemini 4 Carbon
GeneralLike-for-likePublic boards, shown as published, kept out of the index150
General benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
Vals Index70.5%29.0%Gemini 4 Carbon
LiveBench data analysis86.5%72.8%Gemini 4 Carbon
Public Benefits Bench (Vals AI)Not measured58.5%Only Inkling measured
MedScribe (Vals AI)Not measured85.4%Only Inkling measured
Vals Multimodal IndexNot measured49.4%Only Inkling measured
Long context reasoning (AA-LCR)79.3%77.3%Gemini 4 Carbon
GDPval-AA17331080Gemini 4 Carbon
DTBenchNot measured87.5%Only Inkling measured
LMCANot measured37.6%Only Inkling measured
Furniture assembly77.5%Not measuredOnly Gemini 4 Carbon measured
LMArena Text15381443Gemini 4 Carbon
LMArena Text: instruction following15391427Gemini 4 Carbon
LMArena Text: creative writing15331395Gemini 4 Carbon
LMArena Text: English15301443Gemini 4 Carbon
LMArena Text: non-English15341436Gemini 4 Carbon
LMArena Text: Chinese16131494Gemini 4 Carbon
LMArena Text: GermanNot measured1440Only Inkling measured
LMArena Text: JapaneseNot measured1438Only Inkling measured
LMArena Text: KoreanNot measured1413Only Inkling measured
LMArena Text: FrenchNot measured1463Only Inkling measured
LMArena Text: SpanishNot measured1451Only Inkling measured
LMArena Text: Russian15601435Gemini 4 Carbon
LMArena Text: PolishNot measured1451Only Inkling measured
LMArena Text: multi-turn15691442Gemini 4 Carbon
LMArena Text: longer queries15491437Gemini 4 Carbon
LMArena Text: writing and language15421410Gemini 4 Carbon
LMArena Text: entertainment and media15271398Gemini 4 Carbon
EQ-Bench 4Not measured1212Only Inkling measured
Neither model has a result on the other 21 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 4 Carbon and Inkling
BenchmarkGemini 4 CarbonInklingLeader
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

Gemini 4 Carbon$0.0070Fits in one request
Inkling$0.0030Fits in one request

Inkling costs less

Repository review

50K input + 3K output tokens

Gemini 4 Carbon$0.130Fits in one request
Inkling$0.062Fits in one request

Inkling costs less

Agent loop

200K input + 10K output tokens

Gemini 4 Carbon$0.500Fits in one request
Inkling$0.240Fits in one request

Inkling 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 Gemini 4 Carbon and Inkling
SpecificationGoogle Gemini 4 CarbonThinking Machines Inkling
MakerGoogleThinking Machines
WeightsNo public weights listedOpen weights
ReleasedNovember 10, 2026July 17, 2026
Context window1.05M524K
Input $/Mtok$2.00$1.00
Output $/Mtok$10.00$4.05
Coding index86.629.2
Independent measurements behind it46
Cost per solved taskNot computable$0.76
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 4 Carbon better than Inkling for coding?

Pick Gemini 4 Carbon for coding: it scores 86.6 on the Vibe Coding Index against 29.2 for Inkling, though on 4 benchmarks against 6. Pick Inkling for output tokens 2.5x cheaper ($4.05 vs $10.00 per million).

Which is cheaper, Gemini 4 Carbon or Inkling?

Gemini 4 Carbon costs $2.00 per million input tokens and $10.00 per million output tokens; Inkling costs $1.00 and $4.05. Cost per solved task is known for Inkling only.

Which has the bigger context window, Gemini 4 Carbon or Inkling?

Gemini 4 Carbon, with 1.05M tokens against 524K.

How many benchmarks is the Gemini 4 Carbon vs Inkling comparison based on?

63 benchmarks have a result for both models as of November 14, 2026. Gemini 4 Carbon's coding index rests on 4 independent benchmarks and Inkling's on 6. Where only one model has a result, the page says so instead of naming a winner.

Compare next

Embed this comparison on your site

Free under CC BY 4.0, while the source link stays visible. Preview the frame · Terms and other embeds

<iframe src="https://llmbenchmark.ai/embed/compare/gemini-4-carbon-vs-thinkingmachines-inkling" title="Gemini 4 Carbon vs Inkling, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gemini-4-carbon-vs-thinkingmachines-inkling">LLMBenchmark.ai, Gemini 4 Carbon vs Inkling</a></p>