BenchLeader

Claude Fable 5 vs Mimo v2 Omni

Full profiles: Claude Fable 5 (Anthropic) and Mimo v2 Omni (Xiaomi): every benchmark, price and rank.

Updated · Data from 10 sources

As of 29 Oct 2026, Claude Fable 5 is ahead of Mimo v2 Omni on quality (66.6 vs 58.9 on the BenchLeader Index). Claude Fable 5 leads in every category we measure both in.

Key facts (as of 29 Oct 2026)

  • Claude Fable 5 scores 66.6 on the BenchLeader Index and Mimo v2 Omni scores 58.9 (BenchLeader, 29 Oct 2026).
  • Claude Fable 5 costs $20.00 per 1M tokens blended (list price, 29 Oct 2026).

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 570 vs 62 category scoreHigh
Agents & tool useEither64 vs 65 category scoreEither
ReasoningClaude Fable 580 vs 62 category scoreHigh
Chat quality (human preference)Claude Fable 568 vs 61 on Arena votesMedium
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Claude Fable 5 leads on quality: 66.6 vs 58.9.
  • Claude Fable 5 is stronger in coding, human preference, knowledge, reasoning.
  • Mimo v2 Omni is stronger in agents & tools, instruction following, long context, maths, multimodal.

At a glance

SpecClaude Fable 5Mimo v2 Omni
DeveloperAnthropicXiaomi
Released9 Jun 202627 Mar 2026
Context window (tokens)1,000,000256,000
Compared atClaude Fable 5Mimo v2 Omni
Open weightsNoNo
Price in / out / cached input per 1M$10.00 / $50.00 / $1.00–

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 5Mimo v2 OmniLeader
Reasoning80.061.9Claude Fable 5
Coding70.462.1Claude Fable 5
Agents & tools64.264.8level
Maths–60.9not comparable
Knowledge66.5–not comparable
Instruction following–66.5not comparable
Human preference67.761.0Claude Fable 5
Multimodal–55.9not comparable
Long context–61.4not comparable

Where sources disagree

Across the 0 benchmarks both have, Claude Fable 5 leads 0, Mimo v2 Omni leads 0. Every overall index that rates both puts Claude Fable 5 ahead.

Overall indexClaude Fable 5Mimo v2 OmniLeader
BenchLeader Index66.658.9Claude Fable 5
Arena Text1504†1431Claude Fable 5

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; suite cost is what Artificial Analysis paid to run its whole Intelligence Index.

MeasureClaude Fable 5Mimo v2 Omni
Blended price per 1M tokens$20.00–
Input / output per 1M$10.00 / $50.00– / –
Cached input per 1M$1.00–
Price per task: chat reply$0.019–
Price per task: summarize a 30-page report$0.150–
Price per task: code edit$0.135–
Price per task: agentic coding session$0.800–
Price per task: structured extraction$0.030–
Output speed53 tok/s–
Time to first answer3.8 s–

Each model is compared at its best-ranked reasoning-effort setting. Claude Fable 5 scores 66.6 and takes 4 s to its first answer token; Claude Fable 5 (max) scores 65.3 in 70 s, Claude Fable 5 (high) scores 64.5 in 4 s. Mimo v2 Omni scores 58.9. 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

112 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 5Mimo v2 Omni
BenchLeader IndexBenchLeader66.658.9
Agents & tools scoreBenchLeader64.264.8
Coding scoreBenchLeader70.462.1
Human preference scoreBenchLeader67.761.0
Knowledge scoreBenchLeader66.5–
Reasoning scoreBenchLeader80.061.9
Instruction following scoreBenchLeader–66.5
Long context scoreBenchLeader–61.4
Maths scoreBenchLeader–60.9
Multimodal scoreBenchLeader–55.9
Blended price $/MBenchLeader$20.00–
Output speedBenchLeader53 tok/s–
Time to first answerBenchLeader3.8 s–
Context windowBenchLeader1,000,000 tokens256,000 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub85.9%†–
SimpleBenchSimpleBench81.9%†–
Arena Hard PromptsArena (LMArena)1529†1459
LiveBench 1.0 ReasoningLiveBench89.7%†–
GPQA Diamond (AA)Artificial Analysis92.6%†85.5%
Humanity's Last Exam (AA)Artificial Analysis55.5%†22.6%
GPQA Diamond (Vals)Vals AI93.2%–
EnigmaEvalScale AI SEAL39.3%†–
Kagi LLM BenchmarkKagi LLM Benchmark88.8%–
ARC-AGI-1ARC Prize98.5%†–
ARC-AGI-2ARC Prize89.2%†–
CritPtArtificial Analysis28.6%†0.9%
Chess PuzzlesEpoch AI Benchmarking Hub47.0%†–
Mystery Game PuzzlesEpoch AI Benchmarking Hub52.0%†–
LMCAEpoch AI Benchmarking Hub60.3%†–
DTBenchEpoch AI Benchmarking Hub98.4%†–
ForecastBenchForecastBench66.0%†–
BTF-3Epoch AI Benchmarking Hub13.0%†–
Coding
SciCodeSciCode61.0%†–
WeirdMLWeirdML91.9%†–
FrontierCodeCognition53.5%–
GSO-BenchGSO-Bench78.4%–
Arena CodingArena (LMArena)1550†1489
Arena WebDevArena (LMArena)1624†–
LiveBench 1.0 CodingLiveBench86.0%†–
Show all 112 benchmarks
MetricPublisherClaude Fable 5Mimo v2 Omni
Coding
LiveCodeBenchVals AI89.8%–
SWE-bench (Vals)Vals AI95.0%–
Code MigrationVals AI55.1%–
ProgramBenchVals AI2.0%–
Vibe Code Bench v1.1Vals AI90.3%–
SWE Atlas: Codebase QnAScale AI SEAL39.0%†–
SWE Atlas: RefactoringScale AI SEAL54.8%†–
SWE Atlas: Test WritingScale AI SEAL55.6%†–
MirrorCodeEpoch AI Benchmarking Hub63.9%†–
Surface Evolver BenchEpoch AI Benchmarking Hub95.0%†–
DeepSWE v1.1Epoch AI Benchmarking Hub69.7%†–
ALE-BenchEpoch AI Benchmarking Hub2041.3†–
FrontierSWEEpoch AI Benchmarking Hub47.0%†–
Terminal-Bench 4.0 (AA)Artificial Analysis42.4%†–
Terminal-Bench 2.1 (AA)Artificial Analysis84.6%†–
Startrise FrontendStartrise73.8%–
Agents & tools
Terminal-BenchTerminal-Bench44.5%†–
Remote Labor IndexScale AI / CAIS16.1%–
APEX-AgentsMercor63.6%–
Arena AgentArena (LMArena)8†–
LiveBench Agentic CodingLiveBench62.2%†–
Terminal-Bench HardArtificial Analysis62.9%†35.6%
τ²-Bench Telecom (AA)Artificial Analysis98.5%†88.0%
Terminal-Bench 2.1 (Vals)Vals AI80.5%–
MCP AtlasScale AI SEAL83.3%–
HiL-BenchScale AI SEAL56.3%–
τ³-bench Bankingτ²-bench39.7%†–
τ³-Banking (AA)Artificial Analysis38.1%†–
Analyst Agent (AA)Artificial Analysis48.8%†–
Finance Agent v2Vals AI56.3%–
Harvey's Legal Agent Benchmark v1Vals AI11.3%–
Legal Research BenchVals AI49.5%–
Tax Agent BenchVals AI38.3%–
Terminal-Bench 4.0 (Vals)Vals AI41.4%–
Terminal-Bench ScienceVals AI15.7%–
Web Search IndexVals AI46.9%–
Arena SearchArena (LMArena)1229†–
PostTrainBenchEpoch AI Benchmarking Hub41.8%†–
GBAEvalEpoch AI Benchmarking Hub74.5%–
Vending-Bench 2Andon Labs4529.9–
AutomationBenchArtificial Analysis54.1%†–
GDP.pdf (AA)Artificial Analysis24.0%†–
EnterpriseOps-GymArtificial Analysis51.1%†–
AA-Briefcase v1.1Artificial Analysis1535†–
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub87.0%†–
FrontierMath Tier 4Epoch AI Benchmarking Hub90.2%†–
OTIS Mock AIMEEpoch AI Benchmarking Hub99.7%†–
ProofBenchVals AI95.0%†–
LiveBench MathematicsLiveBench96.0%†–
Arena MathsArena (LMArena)1521†1434
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub70.7%†–
LiveBench 1.0 Data AnalysisLiveBench80.5%†–
MMLU-ProVals AI91.5%–
LegalBenchVals AI88.6%–
CorpFinVals AI71.8%–
TaxEvalVals AI76.9%–
PRBench FinanceScale AI SEAL53.9%–
PRBench LegalScale AI SEAL52.6%–
Excel Modeling BenchmarkVals AI73.7%–
MedCodeVals AI56.1%–
MedScribeVals AI88.5%–
Public Benefits Bench v1.1Vals AI70.4%–
EBR-benchEpoch AI Benchmarking Hub39.5%†–
GDP.pdfEpoch AI Benchmarking Hub30.0%–
Instruction following
LiveBench LanguageLiveBench90.7%†–
LiveBench Instruction FollowingLiveBench75.8%†–
IFBenchArtificial Analysis63.5%†67.3%
Arena Instruction FollowingArena (LMArena)1509†1428
Human preference
Arena TextArena (LMArena)1504†1431
EQ-Bench 4EQ-Bench1313–
Arena Creative WritingArena (LMArena)1501†1395
Arena Multi-turnArena (LMArena)1516†1452
Arena Longer QueriesArena (LMArena)1522†1450
Multimodal
Arena VisionArena (LMArena)1325†1228
MMMU-ProArtificial Analysis–73.9%
MMMU-Pro (Vals)Vals AI89.3%–
MortgageTaxVals AI68.9%–
Blueprint-Bench 2Epoch AI Benchmarking Hub38.6%–
Long context
AA-LCR v1.1Artificial Analysis82.3%†73.3%
Arena DocumentArena (LMArena)1499–
MLCRArtificial Analysis20.6%†–
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub163.1–
LiveBench 1.0LiveBench83.0%†–
AA Intelligence Index v4.3.2Artificial Analysis49.6†25.1
AA Progress Index v1Artificial Analysis329.3†269
Vals RSI IndexVals AI24.3%†–
Vals Multimodal IndexVals AI74.2%–

Data as of 2026-10-29. 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).
  • Claude Fable 5: BenchLeader Index 67.3 → 66.5.
  • Claude Fable 5: 1 score revision.
  • Claude Fable 5: 1 new result (Harvey's Legal Agent Benchmark v1).
  • Claude Fable 5: 1 score revision.
  • Claude Fable 5: 8 new results (LiveBench 2.0, LiveBench Long Agentic, LiveBench 2.0 Reasoning…).
  • Mimo v2 Omni: BenchLeader Index 57.5 → 58.7.
  • Mimo v2 Omni: 7 score revisions.
  • Claude Fable 5: 1 new result (Startrise Frontend); 1 score revision.
  • Claude Fable 5: BenchLeader Index 67.8 → 67.3.

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

Claude Fable 5 vs Mimo v2 Omni: questions

Is Claude Fable 5 better than Mimo v2 Omni?
Claude Fable 5 leads on quality: 66.6 vs 58.9. The BenchLeader Index combines every independent quality benchmark; Claude Fable 5 is ahead overall as of 29 Oct 2026, but check the category scores for your use.
Is Claude Fable 5 or Mimo v2 Omni better for coding?
Claude Fable 5 scores higher in coding (70 vs 62 on the category index, where 50 is average).
Is Claude Fable 5 or Mimo v2 Omni better for agents and tool use?
They are level in agentic tasks (64 vs 65 on the category index).
Which is better for long documents?
Claude Fable 5 accepts more context: 1,000,000 against 256,000 tokens for Mimo v2 Omni.
When was Claude Fable 5 released?
Claude Fable 5 was released on 9 Jun 2026.