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Claude Fable 5.2 vs Mimo v2 Omni

Full profiles: Claude Fable 5.2 (Anthropic) and Mimo v2 Omni (Xiaomi): every benchmark, price and rank.

Updated · Data from 5 sources

As of 9 Nov 2026, Claude Fable 5.2 is ahead of Mimo v2 Omni on quality (69.4 vs 58.8 on the BenchLeader Index). Claude Fable 5.2 leads in every category we measure both in.

Key facts (as of 9 Nov 2026)

  • Claude Fable 5.2 scores 69.4 on the BenchLeader Index and Mimo v2 Omni scores 58.8 (BenchLeader, 9 Nov 2026).
  • Claude Fable 5.2 costs $16.00 per 1M tokens blended (list price, 9 Nov 2026).
  • Of the 3 benchmarks both models have, Claude Fable 5.2 leads 3 (BenchLeader, 9 Nov 2026).
Claude Fable 5.2 benchmarks max Anthropic Mimo v2 Omni benchmarks XiaomiAdd a third model

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
CodingClaude Fable 5.280 vs 62 category scoreHigh
ReasoningClaude Fable 5.278 vs 62 category score; Humanity's Last Exam (AA) 74.3% vs 22.6%High
Long documentsClaude Fable 5.266 vs 61 category score; AA-LCR v1.1 83.3% vs 73.3%Medium
Chat quality (human preference)–Only Mimo v2 Omni has an Arena rating (61 category score)Not comparable
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Claude Fable 5.2 (max) leads on quality: 69.4 vs 58.8.
  • Claude Fable 5.2 (max) is stronger in coding, knowledge, long context, reasoning.
  • Mimo v2 Omni is stronger in agents & tools, human preference, instruction following, maths, multimodal.

At a glance

SpecClaude Fable 5.2Mimo v2 Omni
DeveloperAnthropicXiaomi
Released9 Nov 202627 Mar 2026
Context window (tokens)1,000,000256,000
Compared atClaude Fable 5.2 (max)Mimo v2 Omni
Open weightsNoNo
Price in / out / cached input per 1M$8.00 / $40.00 / $0.200–

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryClaude Fable 5.2 (max)Mimo v2 OmniLeader
Reasoning78.461.8Claude Fable 5.2
Coding80.262.0Claude Fable 5.2
Agents & tools–64.8not comparable
Maths–61.0not comparable
Knowledge81.7–not comparable
Instruction following–66.6not comparable
Human preference–61.0not comparable
Multimodal–55.8not comparable
Long context66.461.2Claude Fable 5.2

On one chart

Each domain on the index's own scale, where 50 is an average model. Click a domain to see the benchmarks behind it. Pick up to 5 models from the list.

2550 avg75ReasoningCodingLong contextClaude Fable 5.2, Reasoning: 78.4Claude Fable 5.2, Coding: 80.2Claude Fable 5.2, Long context: 66.4Mimo v2 Omni, Reasoning: 61.8Mimo v2 Omni, Coding: 62.0Mimo v2 Omni, Long context: 61.2

Not drawn, measured for fewer than two of these models: Agents & tools, Maths, Knowledge, Instruction following, Multimodal, Human preference.

ModelIndex

Where sources disagree

Across the 3 benchmarks both have, Claude Fable 5.2 leads 3, Mimo v2 Omni leads 0. Every overall index that rates both puts Claude Fable 5.2 ahead.

Overall indexClaude Fable 5.2 (max)Mimo v2 OmniLeader
BenchLeader Index69.458.8Claude Fable 5.2

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page. Cost, tokens and time per benchmark task are measured: Artificial Analysis’ averages over its whole Intelligence Index run.

MeasureClaude Fable 5.2 (max)Mimo v2 Omni
Blended price per 1M tokens$16.00–
Input / output per 1M$8.00 / $40.00– / –
Cached input per 1M$0.200–
Price per task: chat reply$0.015–
Price per task: summarize a 30-page report$0.120–
Price per task: code edit$0.108–
Price per task: agentic coding session$0.640–
Price per task: structured extraction$0.024–
Agentic coding session, input mostly cached$0.289–
Cost per benchmark task (AA Index)$26.54–
Output tokens per task (AA Index)274k–
Of which reasoning193k–
Output speed72 tok/s–
Time to first answer3.0 s–

Each model is compared at its best-ranked reasoning-effort setting. Claude Fable 5.2 (max) scores 69.4 and takes 3 s to its first answer token; Claude Fable 5.2 (high) scores 68.9 in 3 s, Claude Fable 5.2 (xhigh) scores 68.7 in 3 s. Mimo v2 Omni scores 58.8. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

64 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherClaude Fable 5.2 (max)Mimo v2 Omni
BenchLeader IndexBenchLeader69.458.8
Coding scoreBenchLeader80.262.0
Knowledge scoreBenchLeader81.7–
Long context scoreBenchLeader66.461.2
Reasoning scoreBenchLeader78.461.8
Agents & tools scoreBenchLeader–64.8
Human preference scoreBenchLeader–61.0
Instruction following scoreBenchLeader–66.6
Maths scoreBenchLeader–61.0
Multimodal scoreBenchLeader–55.8
Blended price $/MBenchLeader$16.00–
Output speedBenchLeader72 tok/s–
Time to first answerBenchLeader3.0 s–
Context windowBenchLeader1,000,000 tokens256,000 tokens
Reasoning
Arena Hard PromptsArena (LMArena)–1458
LiveBench 2.0 ReasoningLiveBench88.8%†–
GPQA Diamond (AA)Artificial Analysis–85.5%
Humanity's Last Exam (AA)Artificial Analysis74.3%22.6%
HLE-Diamond (AA)Artificial Analysis80.2%–
ARC-AGI-1ARC Prize97.5%–
ARC-AGI-2ARC Prize92.5%–
ARC-AGI-3ARC Prize94.9%–
CritPtArtificial Analysis35.4%0.9%
CritPt v2 hard subset (AA)Artificial Analysis76.5%–
MysteryMechanismVals AI51.8%†–
Coding
Arena CodingArena (LMArena)–1488
LiveBench 2.0 CodingLiveBench79.2%†–
SciCode (AA)Artificial Analysis67.7%–
Code Migration v1.1Vals AI83.3%†–
ProgramBenchVals AI19.0%†–
SWE-bench MultimodalVals AI62.3%†–
Vibe Code Bench v1.1Vals AI93.8%†–
Terminal-Bench 4.0 (AA)Artificial Analysis59.6%–
FrontierCode 1.1 (AA)Artificial Analysis56.2%–
FrontierCode 2.0 (AA)Artificial Analysis48.8%–
Agents & tools
LiveBench Long AgenticLiveBench82.9%†–
LiveBench BrowserLiveBench86.9%†–
Terminal-Bench HardArtificial Analysis–35.6%
τ²-Bench Telecom (AA)Artificial Analysis–88.0%
Show all 64 benchmarks
MetricPublisherClaude Fable 5.2 (max)Mimo v2 Omni
Agents & tools
GDPval-AA v2.1Artificial Analysis1831–
Finance Agent v2.1Vals AI69.5%†–
Harvey's Legal Agent Benchmark v1.1Vals AI5.0%†–
Legal Research BenchVals AI46.1%†–
Tax Agent BenchVals AI32.1%†–
Terminal-Bench 4.0 (Vals)Vals AI65.2%†–
Terminal-Bench ScienceVals AI55.7%†–
AutomationBenchArtificial Analysis76.4%–
GDP.pdf (AA)Artificial Analysis24.2%–
Harvey LAB-AA v1.1Harvey7.2%–
AA-Briefcase v1.1Artificial Analysis1785–
Terminal-Bench-Science 0.1 (AA)Artificial Analysis73.3%–
Maths
Arena MathsArena (LMArena)–1433
Knowledge
LiveBench 2.0 Data AnalysisLiveBench81.5%†–
LiveBench ResearchLiveBench94.5%†–
AA-Omniscience v1.1Artificial Analysis66.8–
BioMysteryBenchVals AI83.7%†–
Excel Modeling Benchmark v1.1Vals AI77.4%†–
AA-Omniscience v1.1: accuracyArtificial Analysis79.1%–
AA-Omniscience v1.1: non-hallucinationArtificial Analysis40.7%–
HealthBench Professional (AA)OpenAI67.7%–
Instruction following
IFBenchArtificial Analysis–67.3%
Arena Instruction FollowingArena (LMArena)–1427
Human preference
Arena TextArena (LMArena)–1430
Arena Creative WritingArena (LMArena)–1395
Arena Multi-turnArena (LMArena)–1452
Arena Longer QueriesArena (LMArena)–1449
Multimodal
Arena VisionArena (LMArena)–1228
LiveBench DesignLiveBench85.1%†–
MMMU-ProArtificial Analysis–73.9%
AA-3DArtificial Analysis1271–
Long context
AA-LCR v1.1Artificial Analysis83.3%73.3%
Composite
LiveBench 2.0LiveBench84.9%†–
AA Intelligence Index v5.0Artificial Analysis64.6–
AA Intelligence Index v4.3.2Artificial Analysis–25.1
AA Progress Index v1Artificial Analysis–269
Vals IndexVals AI71.3†–
Vals Finance IndexVals AI63.6%†–
Vals Science IndexVals AI63.7%†–

Data as of 2026-11-09. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Mimo v2 Omni: 1 new result (AA Progress Index v1).
  • Mimo v2 Omni: BenchLeader Index 57.5 → 58.7.
  • Mimo v2 Omni: 7 score revisions.

Rankings: Best LLM overall · Best LLM for agents · Best cheap LLMs

Claude Fable 5.2 vs Mimo v2 Omni: questions

Is Claude Fable 5.2 better than Mimo v2 Omni?
Claude Fable 5.2 (max) leads on quality: 69.4 vs 58.8. The BenchLeader Index combines every independent quality benchmark; Claude Fable 5.2 (max) is ahead overall as of 9 Nov 2026, but check the category scores for your use.
Is Claude Fable 5.2 or Mimo v2 Omni better for coding?
Claude Fable 5.2 scores higher in coding (80 vs 62 on the category index, where 50 is average).
Which is better for long documents?
Claude Fable 5.2 scores higher on long-context benchmarks (66 vs 61). Claude Fable 5.2 accepts more context: 1,000,000 against 256,000 tokens for Mimo v2 Omni.
Do independent benchmarks agree on Claude Fable 5.2 vs Mimo v2 Omni?
Across the 3 benchmarks both have, Claude Fable 5.2 leads 3, Mimo v2 Omni leads 0. Every overall index that rates both puts Claude Fable 5.2 ahead.
When was Claude Fable 5.2 released?
Claude Fable 5.2 was released on 9 Nov 2026.