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AnthropicGoogle DeepMindLLM matchup

Claude Fable 5.2vs.Gemini 4 Argon

Which one is better?

Claude Fable 5.2 performs better than Gemini 4 Argon, but costs 4 times as much.

Fable 5.2 ahead
IntelligenceOverall index, 100 points = average
130.9

Claude Fable 5.2

Rank 1

121.4

Gemini 4 Argon

Rank 6

SpeedTokens per second
n/a

Claude Fable 5.2

46

Gemini 4 Argon

Gemini 4 Argon cheaper
Price$ per 1M tokens
$16

Claude Fable 5.2

$4

Gemini 4 Argon

Choose Claude Fable 5.2 for

KnowledgeMathematicsGeneralAgentsCodingReasoning (not certain)

Choose Gemini 4 Argon for

No clear advantage

Where is the difference?

Strengths at a glance

Fable 5.2Gemini 4 Argon

The median of all ranked models is below 105 in every area, so it sits in the centre of the net.

125145165105CodingFable 5.2ReasoningslightlyFable 5.2MathematicsFable 5.2KnowledgeFable 5.2AgentsFable 5.2GeneralFable 5.2FinancelevelLegallevel
CodingFable 5.2 ahead
Fable 5.2131.6Rank 1
Gemini 4 Argon122.1Rank 7
Median of ranked models87.4

95 % range: Fable 5.2 122.0 to 141.1, Gemini 4 Argon 114.7 to 129.4.

AreaFable 5.2Gemini 4 Argon

The same values and verdicts as the bars below. In the close-up the net starts at 105 points, just below the weaker model's lowest value; the reference group average is 100. Not in the net because a model has no own value there or the data are too thin: Multimodal, Health.

Fable 5.2 is ahead in 5 of 9 areas, Gemini 4 Argon in none.

Fable 5.2 ahead: 5Fable 5.2 slightly ahead: 1level: 2too little data: 1

Areas in the overall index
KnowledgeFable 5.2 +18145.5 to 127.0
MathematicsFable 5.2 +16135.2 to 118.9
GeneralFable 5.2 +11132.8 to 121.4
AgentsFable 5.2 +10124.2 to 114.0
CodingFable 5.2 +10131.6 to 122.1
Reasoningleaning Fable 5.2not certain · 2 and 4 tests
Specialist fields
Financelevel123.5 to 121.6
Legallevel120.9 to 119.7
Healthonly Gemini 4 Argon has a score

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Show 3 more areas that do not count toward the overall index
Cybersecurityonly Gemini 4 Argon has a score
Productivityonly Gemini 4 Argon has a score
Educationonly Gemini 4 Argon has a score

Bar length shows the gap in index points (full width 15 points, one standard deviation of the reference group). Solid means clearly ahead, hatched not certain yet, a thin grey bar level.

Claude Fable 5.2 vs. Gemini 4 Argon at the same effort

Both models measured at the same reasoning efforts. This shows whether a lead comes from the model or only from more compute.

highFable 5.2 ahead
10.7 points gap across 11 shared test series
Overall index (max vs. high)Fable 5.2 ahead
Fable 5.2 130.9 vs. Gemini 4 Argon 121.4

The gap compares only the Artificial Analysis test series in which both models are measured at that effort. Tied below 3 points, ahead only beyond two standard errors.

Which model for which task?

Everyday tasks, translated from the area values above. Each row names the values it rests on.

Writing and debugging codeFable 5.2Coding 131.6 to 122.1
Maths and data analysisFable 5.2Mathematics 135.2 to 118.9, Reasoning 124.9 to 119.4
Facts and researchFable 5.2Knowledge 145.5 to 127.0
Agents and workflowsFable 5.2Agents 124.2 to 114.0
Security analysisopenCybersecurity without a score for Fable 5.2
Many requests on a small budgetGemini 4 Argon$16 to $4 per 1M tokens; from December 1 $16 to $8
Finance, legal and medical textslevelFinance 123.5 to 121.6, Legal 120.9 to 119.7, Health without a score for Fable 5.2

Claude Fable 5.2 vs. Gemini 4 Argon in our own test

There is no shared test round for this selection. Results from different rounds are not mixed.

Claude Fable 5.2 and Gemini 4 Argon in the overall index

Every model with a place in the overall index, both models of this matchup highlighted. You can add or hide other models.

Overall index (Gradually Meta-Score v5)

20 of 94 models

4 models in this view are measured at a lower reasoning effort than max in the overall index. Dashed column: lower reasoning effort than the top.

Claude Fable 5.2max130.9
Gemini 4 Carbonhigh127.0
Claude Opus 5.5max125.6
Claude Fable 5.1max124.1
Claude Sonnet 5.5max121.8
Gemini 4 Argonhigh121.4
GPT-6 Astramax120.2
Muse Wonder Fullmax118.1
GPT-6.1 Solmax118.0
Claude Opus 5max117.4
Muse Wondermax113.3
Claude Fable 5max112.8
Kimi K3.1 Promax112.6
Muse Ember 1.0max110.4
GPT-6 Solmax109.1
GPT-5.6 Solmax109.1
Gemini 3.7 Flashhigh107.9
Muse Spark 1.3max107.3
Gemini 3.8 Flashhigh106.8
DeepSeek V4.1 Flash 1017max106.7

All data side by side

The better value is bold. For the overall index only when the gap is clear.

MetricClaude Fable 5.2Gemini 4 Argon
Intelligence
Overall indexpoints, 100 = reference group average, higher is better130.9121.4
RankRank 1 of 94Rank 6 of 94
Price per 1M tokens
Inputwhat you send$8$2
Outputwhat the model writes$40$10
Speed
Tokens per secondn/a46
Technical
Context windowhow much text the model reads at once1 M tokens≈ 1,500 A4 pages1.05 M tokens≈ 1,570 A4 pages
Knowledge cutoffJune 2026n/a
ReleasedNov 9, 2026Oct 13, 2026
AvailabilityActiveActive
Open weightsnono
  • Claude Fable 5.2, Batch pricing: $4 input and $20 output per million tokens, separate from standard API pricing. Source
  • Claude Fable 5.2, Fast pricing: $16 input and $80 output per million tokens. Fast is a separate serving mode. Source
  • Gemini 4 Argon, Standard pricing through November 30, 2026: Per 1 million tokens: $2.00 input, $10.00 output including thinking, and $0.10 cached input. Source
  • Gemini 4 Argon, Standard pricing from December 1, 2026: Per 1 million tokens: $4.00 input, $20.00 output including thinking, and $0.20 cached input. Source
  • Gemini 4 Argon, Caching: Implicit caching only; explicit caching is not supported. Source

Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis

Is there a better choice?

Successor of Gemini 4 ArgonGemini 4 Carbon

Overall index 127.0, rank 2No API price in our data yet

View profile
As cheap as Gemini 4 ArgonClaude Sonnet 5.5

Overall index 121.8, rank 5$2 input and $10 output per 1M tokens

Fable 5.2 vs. Claude Sonnet 5.5

Shared benchmarks

Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.

A: Claude Fable 5.2B: Gemini 4 Argon

Tax Agent BenchOverall · higher is betterTest setup not documented as identicalClaude Fable 5.2: 32.1%Gemini 4 Argon: 49.2%Vals AIAs of 11/09/2026
Vals Finance IndexOverall · higher is betterTest setup not documented as identicalClaude Fable 5.2: 63.6%Gemini 4 Argon: 66.0%Vals AIAs of 11/09/2026
Vals IndexOverall · higher is betterTest setup not documented as identicalClaude Fable 5.2: 71.3%Gemini 4 Argon: 69.4%Vals AIAs of 11/09/2026
Vals Legal IndexOverall · higher is betterTest setup not documented as identicalClaude Fable 5.2: 69.2%Gemini 4 Argon: 76.8%Vals AIAs of 11/09/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalClaude Fable 5.2: 13.3%Gemini 4 Argon: 23.3%Vals AIAs of 11/09/2026
Vals Finance IndexTax Agent Bench · higher is betterTest setup not documented as identicalClaude Fable 5.2: 32.1%Gemini 4 Argon: 49.2%Vals AIAs of 11/09/2026
Vals IndexTax Agent · higher is betterTest setup not documented as identicalClaude Fable 5.2: 32.1%Gemini 4 Argon: 49.2%Vals AIAs of 11/09/2026
Vals Legal IndexTax Agent · higher is betterTest setup not documented as identicalClaude Fable 5.2: 67%Gemini 4 Argon: 79%Vals AIAs of 11/09/2026
Tax Agent BenchControversy & Precedence Analysis (weighted pass) · higher is betterTest setup not documented as identicalClaude Fable 5.2: 58.2%Gemini 4 Argon: 67.0%Vals AIAs of 11/09/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalClaude Fable 5.2: 36.5%Gemini 4 Argon: 70.0%Vals AIAs of 11/09/2026
Show 10 more benchmarks
Tax Agent BenchCurrent & Temporal Analysis (weighted pass) · higher is betterTest setup not documented as identicalClaude Fable 5.2: 66.0%Gemini 4 Argon: 88.2%Vals AIAs of 11/09/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalClaude Fable 5.2: 27.9%Gemini 4 Argon: 44.2%Vals AIAs of 11/09/2026
Tax Agent BenchFact-Pattern Analysis (weighted pass) · higher is betterTest setup not documented as identicalClaude Fable 5.2: 64.5%Gemini 4 Argon: 81.2%Vals AIAs of 11/09/2026
Tax Agent BenchForms & Filings · higher is betterTest setup not documented as identicalClaude Fable 5.2: 20.0%Gemini 4 Argon: 36.7%Vals AIAs of 11/09/2026
Tax Agent BenchForms & Filings (weighted pass) · higher is betterTest setup not documented as identicalClaude Fable 5.2: 60.1%Gemini 4 Argon: 74.0%Vals AIAs of 11/09/2026
Tax Agent BenchNumbers & Calculations · higher is betterTest setup not documented as identicalClaude Fable 5.2: 50.0%Gemini 4 Argon: 63.3%Vals AIAs of 11/09/2026
Tax Agent BenchNumbers & Calculations (weighted pass) · higher is betterTest setup not documented as identicalClaude Fable 5.2: 86.4%Gemini 4 Argon: 84.8%Vals AIAs of 11/09/2026
Tax Agent BenchRule & Source Lookup · higher is betterTest setup not documented as identicalClaude Fable 5.2: 46.7%Gemini 4 Argon: 60.0%Vals AIAs of 11/09/2026
Tax Agent BenchRule & Source Lookup (weighted pass) · higher is betterTest setup not documented as identicalClaude Fable 5.2: 68%Gemini 4 Argon: 78%Vals AIAs of 11/09/2026
Tax Agent BenchWeighted Pass · higher is betterTest setup not documented as identicalClaude Fable 5.2: 67%Gemini 4 Argon: 79%Vals AIAs of 11/09/2026

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