Gemini 4 Argon vs Gemini 4 Hydrogen
Gemini 4 Argon leads Gemini 4 Hydrogen on coding, 80.3 to 77.9 on the Vibe Coding Index, and Gemini 4 Hydrogen costs 1.3x less per output token ($7.50 vs $10.00 per million). Updated November 14, 2026; 50 benchmarks have a result for both.
vs boards won of 50 shared, 1 tied
Gemini 4 Argon or Gemini 4 Hydrogen: which to pick
Pick Gemini 4 Argon for coding: it scores 80.3 on the Vibe Coding Index against 77.9 for Gemini 4 Hydrogen.
Pick Gemini 4 Hydrogen for output tokens 1.3x cheaper ($7.50 vs $10.00 per million) and work measured by LMArena WebDev or FrontierCode 2.0, where it leads.
Model AGemini 4 ArgonGoogle80.3/1005 independent benchmarksNo cost per solved taskModel BGemini 4 HydrogenGoogle77.9/1004 independent benchmarksNo cost per solved task
- Shared results
- 50
- Gemini 4 Argon only
- 74
- Gemini 4 Hydrogen only
- 0
- 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.
Coding
Vibe Coding Index, six public coding benchmarks
Gemini 4 Argon
Gemini 4 Argon scores 80.3 against 77.9.
5 and 4 benchmarks behind the scores
Intelligence
AA Intelligence Index
No call
Only Gemini 4 Argon has a AA Intelligence Index result, 50.4.
Directional only
Web design
Design Arena: websites
Gemini 4 Hydrogen
Gemini 4 Hydrogen leads, 1320 against 1316.
Same board, both measured
General
Vals Index
Gemini 4 Argon
Gemini 4 Argon leads, 69.4% against 68.5%.
Same board, both measured
Long documents
Listed context window
No call
Both take 1.05M tokens.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Gemini 4 Hydrogen
Gemini 4 Argon $0.0070, Gemini 4 Hydrogen $0.0053 per turn.
List prices
At a glance
- Coding index
- Gemini 4 Argon 80.3 from 5 benchmarks, Gemini 4 Hydrogen 77.9 from 4 benchmarks.
- Widest category
- Reasoning, 4.9 points apart on average over 6 shared benchmarks.
- Widest single gap
- Harvey's Legal Agent Benchmark (Vals AI): Gemini 4 Argon 27.1% against Gemini 4 Hydrogen 11.3%, 15.8 points apart on a 0 to 100 scale.
- Output price
- Gemini 4 Argon $10.00 against Gemini 4 Hydrogen $7.50 per million output tokens, 1.3x apart.
- Context window
- Both take 1.05M tokens.
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.
| Category | Gemini 4 Argon | Bars | Gemini 4 Hydrogen | Ties |
|---|---|---|---|---|
| Coding | 6 | 5 | ||
| Agentic work | 3 | 2 | 1 tie | |
| Reasoning | 3 | 3 | ||
| Math | 2 | 0 | ||
| Knowledge | 4 | 1 | ||
| Web design | 0 | 5 | ||
| General | 14 | 1 | ||
| All shared boards | 32 | 17 | 1 tie |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index65
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| LiveBench coding | 85.7% | 78.5% | Gemini 4 Argon |
| LMArena WebDev | 1681 | 1704 | Gemini 4 Hydrogen |
| Terminal-Bench 4 (Vals AI) | 57.6% | 54.0% | Gemini 4 Argon |
| Vibe Code Bench (Vals AI) | 91.9% | 87.8% | Gemini 4 Argon |
| Code migration (Vals AI) | 68.2% | Not measured | Only Gemini 4 Argon measured |
| ProgramBench (Vals AI) | 2.5% | Not measured | Only Gemini 4 Argon measured |
| IOI (Vals AI) | 100.0% | Not measured | Only Gemini 4 Argon measured |
| Terminal-Bench 2.1 (Vals AI) | 57.7% | Not measured | Only Gemini 4 Argon measured |
| SWE-bench Multimodal (Vals AI) | 56.0% | Not measured | Only Gemini 4 Argon measured |
| Vibe Code Bench 1-100 (Vals AI) | 21.2% | Not measured | Only Gemini 4 Argon measured |
| CyberBench (Vals AI) | 77.9% | Not measured | Only Gemini 4 Argon measured |
| SciCode | 61.8% | Not measured | Only Gemini 4 Argon measured |
| Terminal-Bench 4.0 (Artificial Analysis run) | 57.1% | 54.0% | Gemini 4 Argon |
| FrontierCode 2.0 | 25.7% | 39.0% | Gemini 4 Hydrogen |
| FrontierCode | 47.5% | Not measured | Only Gemini 4 Argon measured |
| FrontierSWE | 55.0% | Not measured | Only Gemini 4 Argon measured |
| MirrorCode | 58.9% | Not measured | Only Gemini 4 Argon measured |
| ALE-Bench | 2100.1 | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: coding | 1540 | 1516 | Gemini 4 Argon |
| LMArena Text: software and IT | 1542 | 1513 | Gemini 4 Argon |
| LMArena WebDev: React | 1702 | 1724 | Gemini 4 Hydrogen |
| LMArena WebDev: HTML | 1657 | 1743 | Gemini 4 Hydrogen |
| SciCode | 12.3% | Not measured | Only Gemini 4 Argon measured |
| SWE-Bench Pro V2 | 99.2% | Not measured | Only Gemini 4 Argon measured |
| GameBench 2 | 89.2 | Not measured | Only Gemini 4 Argon measured |
| Terminal-Bench 4.0 | 54.9% | Not measured | Only Gemini 4 Argon measured |
| CursorBench 4.0 | 52.9% | 57.8% | Gemini 4 Hydrogen |
| Neither model has a result on the other 25 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index2 boards, none shared
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| AA Intelligence Index | 50.4 | Not measured | Only Gemini 4 Argon measured |
| Epoch Capabilities Index | 166.5 | Not measured | Only Gemini 4 Argon measured |
Agentic workLike-for-likePublic boards, shown as published, kept out of the index32
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| Design Arena: agents building web apps | 1284 | Not measured | Only Gemini 4 Argon measured |
| Design Arena: agents building games | 1264 | Not measured | Only Gemini 4 Argon measured |
| Design Arena: spreadsheets | 1159 | Not measured | Only Gemini 4 Argon measured |
| LiveBench research | 86.8% | 86.8% | Tie |
| LiveBench browser | 82.8% | 77.1% | Gemini 4 Argon |
| LiveBench long agentic | 58.5% | 61.8% | Gemini 4 Hydrogen |
| SREBench (Vals AI) | 44.3% | Not measured | Only Gemini 4 Argon measured |
| Finance Agent (Vals AI) | 65.4% | Not measured | Only Gemini 4 Argon measured |
| Tax Agent Bench (Vals AI) | 49.2% | 52.3% | Gemini 4 Hydrogen |
| Legal Research Bench (Vals AI) | 54.8% | 53.8% | Gemini 4 Argon |
| Harvey's Legal Agent Benchmark (Vals AI) | 27.1% | 11.3% | Gemini 4 Argon |
| Excel Modeling Benchmark (Vals AI) | 75.2% | Not measured | Only Gemini 4 Argon measured |
| BioMysteryBench (Vals AI) | 76.3% | Not measured | Only Gemini 4 Argon measured |
| Terminal-Bench-Science (Vals AI) | 44.3% | Not measured | Only Gemini 4 Argon measured |
| Vals Science Index | 55.4% | Not measured | Only Gemini 4 Argon measured |
| Time Horizon Index (Vals AI) | 52.5% | Not measured | Only Gemini 4 Argon measured |
| CUA-bench (Vals AI) | 4.8% | Not measured | Only Gemini 4 Argon measured |
| Robo-bench (Vals AI) | 0.8% | Not measured | Only Gemini 4 Argon measured |
| APEX-Agents | 82.4% | Not measured | Only Gemini 4 Argon measured |
| Remote Labor Index | 17.1% | Not measured | Only Gemini 4 Argon measured |
| PostTrainBench | 40.4% | Not measured | Only Gemini 4 Argon measured |
| Vending-Bench 2 | $13,718 | Not measured | Only Gemini 4 Argon measured |
| MCP Atlas | 90.7% | Not measured | Only Gemini 4 Argon measured |
| Neither model has a result on the other 21 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index33
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| LiveBench reasoning | 95.1% | 88.6% | Gemini 4 Argon |
| MysteryMechanism (Vals AI) | 45.5% | Not measured | Only Gemini 4 Argon measured |
| Humanity's Last Exam (Artificial Analysis run) | 57.1% | Not measured | Only Gemini 4 Argon measured |
| HLE-Diamond (Artificial Analysis run) | 56.7% | 58.8% | Gemini 4 Hydrogen |
| CritPt v2, hard subset (Artificial Analysis run) | 53.5% | 66.0% | Gemini 4 Hydrogen |
| GPQA Diamond (Epoch AI run) | 96.4% | Not measured | Only Gemini 4 Argon measured |
| ARC-AGI | 98.5% | Not measured | Only Gemini 4 Argon measured |
| ARC-AGI-2 | 91.3% | Not measured | Only Gemini 4 Argon measured |
| SimpleBench | 91.7% | Not measured | Only Gemini 4 Argon measured |
| Chess puzzles | 59.0% | Not measured | Only Gemini 4 Argon measured |
| Mystery game puzzles | 64.0% | Not measured | Only Gemini 4 Argon measured |
| EBR-bench | 64.8% | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: hard prompts | 1542 | 1520 | Gemini 4 Argon |
| LMArena Text: expert | 1555 | 1558 | Gemini 4 Hydrogen |
| LMArena Text: hard prompts in English | 1540 | 1514 | Gemini 4 Argon |
| Humanity's Last Exam (Scale run) | 53.2% | Not measured | Only Gemini 4 Argon measured |
| GoBench | 2352 | Not measured | Only Gemini 4 Argon measured |
| Neither model has a result on the other 9 boards here | |||
MathLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| OTIS Mock AIME | 100.0% | Not measured | Only Gemini 4 Argon measured |
| FrontierMath, tiers 1 to 3 | 86.0% | Not measured | Only Gemini 4 Argon measured |
| FrontierMath, tier 4 | 78.0% | Not measured | Only Gemini 4 Argon measured |
| ProofBench | 99.0% | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: math | 1544 | 1507 | Gemini 4 Argon |
| LMArena Text: mathematical work | 1551 | 1534 | Gemini 4 Argon |
| MathArena | 62.1% | Not measured | Only Gemini 4 Argon measured |
| Neither model has a result on the other 7 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index41
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| LegalBench (Vals AI) | 88.3% | Not measured | Only Gemini 4 Argon measured |
| MedCode (Vals AI) | 58.8% | Not measured | Only Gemini 4 Argon measured |
| AA-Omniscience | 46.1 | 46.3 | Gemini 4 Hydrogen |
| SimpleQA Verified | 76.0% | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: science | 1546 | 1519 | Gemini 4 Argon |
| LMArena Text: medicine and healthcare | 1527 | 1488 | Gemini 4 Argon |
| LMArena Text: legal and government | 1541 | 1532 | Gemini 4 Argon |
| LMArena Text: business and finance | 1519 | 1486 | Gemini 4 Argon |
| FACTS Benchmark Suite | 72.4% | Not measured | Only Gemini 4 Argon measured |
| PRBench Finance | 49.9% | Not measured | Only Gemini 4 Argon measured |
| PRBench Legal | 49.4% | Not measured | Only Gemini 4 Argon measured |
| Neither model has a result on the other 10 boards here | |||
Web designLike-for-likePublic boards, shown as published, kept out of the index05
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| Design Arena: websites | 1316 | 1320 | Gemini 4 Hydrogen |
| Design Arena: UI components | 1331 | Not measured | Only Gemini 4 Argon measured |
| Design Arena: game dev | 1361 | 1369 | Gemini 4 Hydrogen |
| Design Arena: data viz | 1327 | Not measured | Only Gemini 4 Argon measured |
| Design Arena: 3D | 1353 | 1415 | Gemini 4 Hydrogen |
| Design Arena: all code categories | 1326 | 1333 | Gemini 4 Hydrogen |
| Design Arena: SVG | 1338 | Not measured | Only Gemini 4 Argon measured |
| LiveBench design | 69.2% | 77.3% | Gemini 4 Hydrogen |
| Neither model has a result on the other 1 board here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index141
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| Vals Index | 69.4% | 68.5% | Gemini 4 Argon |
| LiveBench data analysis | 85.2% | 83.2% | Gemini 4 Argon |
| Public Benefits Bench (Vals AI) | 69.8% | Not measured | Only Gemini 4 Argon measured |
| SAGE (Vals AI) | 89.5% | Not measured | Only Gemini 4 Argon measured |
| MedScribe (Vals AI) | 87.4% | Not measured | Only Gemini 4 Argon measured |
| Long context reasoning (AA-LCR) | 79.7% | Not measured | Only Gemini 4 Argon measured |
| GDPval-AA | 1634 | Not measured | Only Gemini 4 Argon measured |
| DTBench | 97.6% | Not measured | Only Gemini 4 Argon measured |
| LMCA | 63.7% | Not measured | Only Gemini 4 Argon measured |
| Furniture assembly | 72.5% | Not measured | Only Gemini 4 Argon measured |
| LMArena Text | 1529 | 1502 | Gemini 4 Argon |
| LMArena Text: instruction following | 1536 | 1519 | Gemini 4 Argon |
| LMArena Text: creative writing | 1533 | 1509 | Gemini 4 Argon |
| LMArena Text: English | 1529 | 1499 | Gemini 4 Argon |
| LMArena Text: non-English | 1523 | 1495 | Gemini 4 Argon |
| LMArena Text: Chinese | 1605 | 1631 | Gemini 4 Hydrogen |
| LMArena Text: German | 1582 | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: Japanese | 1532 | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: Korean | 1501 | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: French | 1553 | 1512 | Gemini 4 Argon |
| LMArena Text: Spanish | 1508 | 1494 | Gemini 4 Argon |
| LMArena Text: Russian | 1539 | 1492 | Gemini 4 Argon |
| LMArena Text: Polish | 1537 | Not measured | Only Gemini 4 Argon measured |
| LMArena Text: multi-turn | 1548 | 1485 | Gemini 4 Argon |
| LMArena Text: longer queries | 1547 | 1524 | Gemini 4 Argon |
| LMArena Text: writing and language | 1532 | 1500 | Gemini 4 Argon |
| LMArena Text: entertainment and media | 1522 | 1503 | Gemini 4 Argon |
| MultiChallenge | 78.7% | Not measured | Only Gemini 4 Argon measured |
| EQ-Bench 4 | 1236 | Not measured | Only Gemini 4 Argon measured |
| Neither model has a result on the other 20 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Gemini 4 Argon | Gemini 4 Hydrogen | Leader |
|---|---|---|---|
| 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 Argon$0.0070Fits in one request
Gemini 4 Hydrogen$0.0053Fits in one request
Gemini 4 Hydrogen costs less
Repository review
50K input + 3K output tokens
Gemini 4 Argon$0.130Fits in one request
Gemini 4 Hydrogen$0.098Fits in one request
Gemini 4 Hydrogen costs less
Agent loop
200K input + 10K output tokens
Gemini 4 Argon$0.500Fits in one request
Gemini 4 Hydrogen$0.375Fits in one request
Gemini 4 Hydrogen 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.
| Specification | Google Gemini 4 Argon | Google Gemini 4 Hydrogen |
|---|---|---|
| Maker | ||
| Weights | No public weights listed | No public weights listed |
| Released | October 13, 2026 | November 12, 2026 |
| Context window | 1.05M | 1.05M |
| Input $/Mtok | $2.00 | $1.50 |
| Output $/Mtok | $10.00 | $7.50 |
| Coding index | 80.3 | 77.9 |
| Independent measurements behind it | 5 | 4 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Gemini 4 Argon better than Gemini 4 Hydrogen for coding?
Pick Gemini 4 Argon for coding: it scores 80.3 on the Vibe Coding Index against 77.9 for Gemini 4 Hydrogen. Pick Gemini 4 Hydrogen for output tokens 1.3x cheaper ($7.50 vs $10.00 per million) and work measured by LMArena WebDev or FrontierCode 2.0, where it leads.
Which is cheaper, Gemini 4 Argon or Gemini 4 Hydrogen?
Gemini 4 Argon costs $2.00 per million input tokens and $10.00 per million output tokens; Gemini 4 Hydrogen costs $1.50 and $7.50. Cost per solved task is known for neither of them.
Which has the bigger context window, Gemini 4 Argon or Gemini 4 Hydrogen?
Neither: both take 1.05M tokens.
How many benchmarks is the Gemini 4 Argon vs Gemini 4 Hydrogen comparison based on?
50 benchmarks have a result for both models as of November 14, 2026. Gemini 4 Argon's coding index rests on 5 independent benchmarks and Gemini 4 Hydrogen's on 4. Where only one model has a result, the page says so instead of naming a winner.