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Gemini 4 Hydrogen vs Inkling

Gemini 4 Hydrogen leads Inkling on coding, 77.9 to 29.2 on the Vibe Coding Index, and Inkling costs 1.9x less per output token ($4.05 vs $7.50 per million). Updated November 14, 2026; 49 benchmarks have a result for both.

Replace Gemini 4 Hydrogen Replace Inkling
Gemini 4 HydrogenGoogle
Coding
77.9
Overall
77.1
Output $/M
$7.50
49
T InklingThinking Machines
Coding
29.2
Overall
43.1
Output $/M
$4.05
0
vs boards won of 49 shared

Gemini 4 Hydrogen or Inkling: which to pick

Pick Gemini 4 Hydrogen for coding: it scores 77.9 on the Vibe Coding Index against 29.2 for Inkling, though on 4 benchmarks against 6.

Pick Inkling for output tokens 1.9x cheaper ($4.05 vs $7.50 per million).

Model AGemini 4 HydrogenGoogle77.9/1004 independent benchmarksNo cost per solved taskModel BInklingThinking Machines29.2/1006 independent benchmarks$0.76 per solved task
Shared results
49
Gemini 4 Hydrogen only
1
Inkling only
66
Like-for-like categories
7 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 Hydrogen 77.9 from 4 benchmarks, Inkling 29.2 from 6 benchmarks.
Widest category
Coding, 38.0 points apart on average over 10 shared benchmarks.
Widest single gap
Terminal-Bench 4 (Vals AI): Gemini 4 Hydrogen 54.0% against Inkling 0.5%, 71.4 points apart on a 0 to 100 scale.
Output price
Gemini 4 Hydrogen $7.50 against Inkling $4.05 per million output tokens, 1.9x apart.
Context window
Gemini 4 Hydrogen 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 HydrogenBarsInklingTies
Coding100
Agentic work60
Reasoning60
Math20
Knowledge50
Web design50
General150
All shared boards490
CodingLike-for-likeSix of these boards feed the Vibe Coding Index100
Coding benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
LiveBench coding78.5%48.7%Gemini 4 Hydrogen
LMArena WebDev17041414Gemini 4 Hydrogen
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)54.0%0.5%Gemini 4 Hydrogen
Vibe Code Bench (Vals AI)87.8%19.2%Gemini 4 Hydrogen
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)54.0%1.0%Gemini 4 Hydrogen
FrontierCode 2.039.0%3.9%Gemini 4 Hydrogen
FrontierCodeNot measured14.0%Only Inkling measured
FrontierSWENot measured4.1%Only Inkling measured
WeirdMLNot measured32.3%Only Inkling measured
ALE-BenchNot measured946.0Only Inkling measured
LMArena Text: coding15161467Gemini 4 Hydrogen
LMArena Text: software and IT15131467Gemini 4 Hydrogen
LMArena WebDev: React17241404Gemini 4 Hydrogen
LMArena WebDev: HTML17431404Gemini 4 Hydrogen
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 4.057.8%Not measuredOnly Gemini 4 Hydrogen measured
Neither model has a result on the other 23 boards here
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
Intelligence benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
AA Intelligence IndexNot measured12.5Only Inkling measured
Epoch Capabilities IndexNot measured148.4Only Inkling measured
Agentic workLike-for-likePublic boards, shown as published, kept out of the index60
Agentic work benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
AA Agentic IndexNot measured22.5Only Inkling measured
Design Arena: agents building web appsNot measured1172Only Inkling measured
LiveBench research86.8%60.3%Gemini 4 Hydrogen
LiveBench browser77.1%12.0%Gemini 4 Hydrogen
LiveBench long agentic61.8%9.8%Gemini 4 Hydrogen
SREBench (Vals AI)Not measured0.0%Only Inkling measured
Finance Agent (Vals AI)Not measured46.6%Only Inkling measured
Tax Agent Bench (Vals AI)52.3%15.3%Gemini 4 Hydrogen
Legal Research Bench (Vals AI)53.8%28.4%Gemini 4 Hydrogen
Harvey's Legal Agent Benchmark (Vals AI)11.3%3.8%Gemini 4 Hydrogen
Excel Modeling Benchmark (Vals AI)Not measured38.4%Only Inkling measured
APEX-AgentsNot measured33.8%Only Inkling 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 29 boards here
ReasoningLike-for-likePublic boards, shown as published, kept out of the index60
Reasoning benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
GPQA DiamondNot measured87.1%Only Inkling measured
LiveBench reasoning88.6%78.3%Gemini 4 Hydrogen
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)58.8%10.6%Gemini 4 Hydrogen
CritPt v2, hard subset (Artificial Analysis run)66.0%18.0%Gemini 4 Hydrogen
GPQA Diamond (Epoch AI run)Not measured88.3%Only Inkling measured
ARC-AGINot measured79.5%Only Inkling measured
ARC-AGI-2Not measured36.5%Only Inkling measured
SimpleBenchNot measured50.0%Only Inkling measured
Chess puzzlesNot measured21.0%Only Inkling measured
LMArena Text: hard prompts15201453Gemini 4 Hydrogen
LMArena Text: expert15581469Gemini 4 Hydrogen
LMArena Text: hard prompts in English15141449Gemini 4 Hydrogen
Humanity's Last Exam (Scale run)Not measured11.2%Only Inkling measured
Neither model has a result on the other 10 boards here
MathLike-for-likePublic boards, shown as published, kept out of the index20
Math benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
OTIS Mock AIMENot measured88.9%Only Inkling measured
FrontierMath, tiers 1 to 3Not measured33.3%Only Inkling measured
FrontierMath, tier 4Not measured4.9%Only Inkling measured
ProofBenchNot measured0.0%Only Inkling measured
LMArena Text: math15071481Gemini 4 Hydrogen
LMArena Text: mathematical work15341466Gemini 4 Hydrogen
Neither model has a result on the other 8 boards here
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index50
Knowledge benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
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-Omniscience46.3-1.5Gemini 4 Hydrogen
SimpleQA VerifiedNot measured40.3%Only Inkling measured
LMArena Text: science15191459Gemini 4 Hydrogen
LMArena Text: medicine and healthcare14881450Gemini 4 Hydrogen
LMArena Text: legal and government15321448Gemini 4 Hydrogen
LMArena Text: business and finance14861439Gemini 4 Hydrogen
Neither model has a result on the other 9 boards here
Web designLike-for-likePublic boards, shown as published, kept out of the index50
Web design benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
Design Arena: websites13201215Gemini 4 Hydrogen
Design Arena: UI componentsNot measured1189Only Inkling measured
Design Arena: game dev13691152Gemini 4 Hydrogen
Design Arena: data vizNot measured1158Only Inkling measured
Design Arena: 3D14151141Gemini 4 Hydrogen
Design Arena: all code categories13331194Gemini 4 Hydrogen
Design Arena: SVGNot measured1101Only Inkling measured
Design Arena: ASCII artNot measured1088Only Inkling measured
LiveBench design77.3%55.2%Gemini 4 Hydrogen
GeneralLike-for-likePublic boards, shown as published, kept out of the index150
General benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
Vals Index68.5%29.0%Gemini 4 Hydrogen
LiveBench data analysis83.2%72.8%Gemini 4 Hydrogen
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)Not measured77.3%Only Inkling measured
GDPval-AANot measured1080Only Inkling measured
DTBenchNot measured87.5%Only Inkling measured
LMCANot measured37.6%Only Inkling measured
LMArena Text15021443Gemini 4 Hydrogen
LMArena Text: instruction following15191427Gemini 4 Hydrogen
LMArena Text: creative writing15091395Gemini 4 Hydrogen
LMArena Text: English14991443Gemini 4 Hydrogen
LMArena Text: non-English14951436Gemini 4 Hydrogen
LMArena Text: Chinese16311494Gemini 4 Hydrogen
LMArena Text: GermanNot measured1440Only Inkling measured
LMArena Text: JapaneseNot measured1438Only Inkling measured
LMArena Text: KoreanNot measured1413Only Inkling measured
LMArena Text: French15121463Gemini 4 Hydrogen
LMArena Text: Spanish14941451Gemini 4 Hydrogen
LMArena Text: Russian14921435Gemini 4 Hydrogen
LMArena Text: PolishNot measured1451Only Inkling measured
LMArena Text: multi-turn14851442Gemini 4 Hydrogen
LMArena Text: longer queries15241437Gemini 4 Hydrogen
LMArena Text: writing and language15001410Gemini 4 Hydrogen
LMArena Text: entertainment and media15031398Gemini 4 Hydrogen
EQ-Bench 4Not measured1212Only Inkling measured
Neither model has a result on the other 22 boards here
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
Image generation benchmarks for Gemini 4 Hydrogen and Inkling
BenchmarkGemini 4 HydrogenInklingLeader
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 Hydrogen$0.0053Fits in one request
Inkling$0.0030Fits in one request

Inkling costs less

Repository review

50K input + 3K output tokens

Gemini 4 Hydrogen$0.098Fits in one request
Inkling$0.062Fits in one request

Inkling costs less

Agent loop

200K input + 10K output tokens

Gemini 4 Hydrogen$0.375Fits 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 Hydrogen and Inkling
SpecificationGoogle Gemini 4 HydrogenThinking Machines Inkling
MakerGoogleThinking Machines
WeightsNo public weights listedOpen weights
ReleasedNovember 12, 2026July 17, 2026
Context window1.05M524K
Input $/Mtok$1.50$1.00
Output $/Mtok$7.50$4.05
Coding index77.929.2
Independent measurements behind it46
Cost per solved taskNot computable$0.76
SourceOpenRouter listingOpenRouter listing

Questions

Is Gemini 4 Hydrogen better than Inkling for coding?

Pick Gemini 4 Hydrogen for coding: it scores 77.9 on the Vibe Coding Index against 29.2 for Inkling, though on 4 benchmarks against 6. Pick Inkling for output tokens 1.9x cheaper ($4.05 vs $7.50 per million).

Which is cheaper, Gemini 4 Hydrogen or Inkling?

Gemini 4 Hydrogen costs $1.50 per million input tokens and $7.50 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 Hydrogen or Inkling?

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

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

49 benchmarks have a result for both models as of November 14, 2026. Gemini 4 Hydrogen'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.

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<iframe src="https://llmbenchmark.ai/embed/compare/gemini-4-hydrogen-vs-thinkingmachines-inkling" title="Gemini 4 Hydrogen 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-hydrogen-vs-thinkingmachines-inkling">LLMBenchmark.ai, Gemini 4 Hydrogen vs Inkling</a></p>