Noometry

Model comparison

Claude Opus 5.5 vs Llama 4 Maverick

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 30.9 on the Noometry Index. Llama 4 Maverick costs 26× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Last verified . 27 shared benchmarks.

Claude Opus 5.5 Anthropic

68.6

Rank #3 Confirmed

Llama 4 Maverick Meta

30.9

Rank #282 Confirmed

Summary

  • They share 27 benchmarks with published results for both. Claude Opus 5.5 scores higher in 10 categories and Llama 4 Maverick in 0 categories; 10 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Claude Opus 5.5 leads 80.2 to 10.1.
  • The biggest single-benchmark swing is ARC-AGI-1: 98.5% for Claude Opus 5.5 and 4.4% for Llama 4 Maverick.
  • Llama 4 Maverick is cheaper at $0.19 / $0.65 per million input/output tokens, against $4 / $20 for Claude Opus 5.5.
  • Claude Opus 5.5 accepts more context: 1M tokens versus 128K.
  • Llama 4 Maverick has downloadable open weights; the other is API-only.

Side by side

Claude Opus 5.5Llama 4 Maverick
ProviderAnthropicMeta
Noometry Index68.630.9
Released2026-09-222025-04-05
WeightsProprietaryOpen
Context window1M128K
Max output128K4K
Input $ / M tokens$4$0.19
Output $ / M tokens$20$0.65
Results tracked4454

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Category by category

Coding Claude Opus 5.5 leads

Claude Opus 5.5: 71.9 (#3), Llama 4 Maverick: 26.6 (#324)

BenchmarkClaude Opus 5.5Llama 4 Maverick
SciCode66.9%33.1%
LMArena Coding15471302
ALE-Bench2,147172.97
FrontierCode54.6%—
SWE-bench Verified (bash only)—21%
Aider Polyglot—15.6%
CursorBench57.8%—
LMArena WebDev1813—
FrontierSWE62.3%—
WeirdML—24.5%
BigCodeBench Instruct—49.7%
MirrorCode77.4%—
BigCodeBench Complete—61.4%

Agentic & Tool Use Claude Opus 5.5 leads

Claude Opus 5.5: 45.3 (#15), Llama 4 Maverick: 28.2 (#91)

BenchmarkClaude Opus 5.5Llama 4 Maverick
APEX-Agents73.5%—
Berkeley Function Calling Leaderboard—37.3%
GDP.pdf30.6%—
Vending-Bench 29,235—

Reasoning Claude Opus 5.5 leads

Claude Opus 5.5: 80.2 (#3), Llama 4 Maverick: 10.1 (#342)

BenchmarkClaude Opus 5.5Llama 4 Maverick
ARC-AGI-293.3%0%
NYT Connections (extended)88.5%8%
ARC-AGI-198.5%4.4%
CritPt31.7%0%
LMArena Hard Prompts15351281
DTBench98.9%61.9%
LMCA68.2%15.9%
Epoch Capabilities Index167.33132.2
SimpleBench—27.7%
Kagi LLM Benchmark—55.9%
EnigmaEval—0.6%
EBR-Bench71.4%—
Mystery Game Puzzles71%—
ForecastBench—57.5

Math Claude Opus 5.5 leads

Claude Opus 5.5: 91.8 (#3), Llama 4 Maverick: 26.0 (#262)

BenchmarkClaude Opus 5.5Llama 4 Maverick
OTIS Mock AIME 2024-2025100%20.6%
LMArena Math15061299
FrontierMath (Tiers 1-3)91.2%—
FrontierMath Tier 495%—
ProofBench100%—
Omni-MATH—42.2%
MATH Level 5—73%
FrontierMath (Feb 2025 set)—0.7%
FrontierMath Erdős2.9%—

Knowledge Claude Opus 5.5 leads

Claude Opus 5.5: 66.4 (#10), Llama 4 Maverick: 33.4 (#204)

BenchmarkClaude Opus 5.5Llama 4 Maverick
GPQA Diamond90.6%67%
LMArena Expert15471259
Humanity's Last Exam—5.7%
SimpleQA Verified72.2%—
MMLU-Pro—81%
Confabulations—22.6%
Vectara Hallucination Rate—8.2%
GPQA (HELM)—65%

Multimodal Claude Opus 5.5 leads

Claude Opus 5.5: 57.8 (#1), Llama 4 Maverick: 31.6 (#105)

BenchmarkClaude Opus 5.5Llama 4 Maverick
LMArena Vision13211142
GeoBench—52%
Blueprint-Bench 251.2%—
Furniture Assembly83.3%—
SpatialViz-Bench—31.8%

Multilingual Claude Opus 5.5 leads

Claude Opus 5.5: 59.1 (#2), Llama 4 Maverick: 42.2 (#195)

BenchmarkClaude Opus 5.5Llama 4 Maverick
LMArena Non-English15071269
LMArena Chinese15881277
LMArena French15141259
LMArena Russian15201286
LMArena Spanish15071293
LMArena German—1291
LMArena Japanese—1207
LMArena Korean—1203

Instruction Following Claude Opus 5.5 leads

Claude Opus 5.5: 80.0 (#3), Llama 4 Maverick: 71.7 (#146)

BenchmarkClaude Opus 5.5Llama 4 Maverick
LMArena Instruction Following15371267
IFEval—90.8%

Long Context Claude Opus 5.5 leads

Claude Opus 5.5: 47.1 (#19), Llama 4 Maverick: 31.4 (#279)

BenchmarkClaude Opus 5.5Llama 4 Maverick
LMArena Longer Query15321280
Fiction.LiveBench—46.2%

Writing & Preference Claude Opus 5.5 leads

Claude Opus 5.5: 78.2 (#3), Llama 4 Maverick: 38.8 (#252)

BenchmarkClaude Opus 5.5Llama 4 Maverick
LMArena Text15151287
LMArena Creative Writing15331267
EQ-Bench Creative Writing2050860
LMArena Multi-Turn14991289
Short-Story Creative Writing—62%
WildBench—80%

Frequently asked questions

Is Claude Opus 5.5 better than Llama 4 Maverick?

Claude Opus 5.5 is the stronger model overall, scoring 68.6 to 30.9 on the Noometry Index. Llama 4 Maverick costs 26× less per token, which makes it the better buy when Claude Opus 5.5's lead doesn't matter for your workload.

Which is cheaper, Claude Opus 5.5 or Llama 4 Maverick?

Llama 4 Maverick is cheaper. It lists at $0.19 per million input tokens and $0.65 per million output tokens; Claude Opus 5.5 lists at $4 and $20.

Is Claude Opus 5.5 or Llama 4 Maverick better for coding?

Claude Opus 5.5 scores higher on coding benchmarks: 71.9 versus 26.6 in the Noometry coding category.

Which has the bigger context window?

Claude Opus 5.5 does, with 1M tokens against 128K.

How many benchmarks do Claude Opus 5.5 and Llama 4 Maverick share?

27 benchmarks have published results for both models. Claude Opus 5.5 has 44 scored results on Noometry and Llama 4 Maverick has 54.

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