BenchLeader

Claude Fable 5.2 vs DeepSeek V4 Pro

Full profiles: Claude Fable 5.2 (Anthropic) and DeepSeek V4 Pro (DeepSeek): every benchmark, price and rank.

Updated · Data from 7 sources

As of 9 Nov 2026, Claude Fable 5.2 is ahead of DeepSeek V4 Pro on quality (69.4 vs 59.1 on the BenchLeader Index), but DeepSeek V4 Pro is 16× cheaper at $0.990 vs $16.00 per 1M tokens blended. Claude Fable 5.2 leads in every category we measure both in. Claude Fable 5.2 streams ~1.5× faster.

Key facts (as of 9 Nov 2026)

  • Claude Fable 5.2 scores 69.4 on the BenchLeader Index and DeepSeek V4 Pro scores 59.1 (BenchLeader, 9 Nov 2026).
  • Claude Fable 5.2 costs $16.00 per 1M tokens blended (list price, 9 Nov 2026).
  • DeepSeek V4 Pro costs $0.990 per 1M tokens blended (list price, 9 Nov 2026).
  • Claude Fable 5.2 streams ~1.5× faster than DeepSeek V4 Pro (Artificial Analysis, 7-day median, 9 Nov 2026).
  • Of the 2 benchmarks both models have, Claude Fable 5.2 leads 2 (BenchLeader, 9 Nov 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 5.280 vs 54 category scoreHigh
ReasoningClaude Fable 5.278 vs 62 category score; ARC-AGI-2 92.5% vs 59.7%High
Chat quality (human preference)–Only DeepSeek V4 Pro has an Arena rating (65 category score)Not comparable
Lowest costDeepSeek V4 Pro$0.990 vs $16.00 per 1M blended; agentic coding session $0.048 vs $0.640–
Fastest first answerDeepSeek V4 Pro1.5 s (DeepSeek V4 Pro (high)) vs 3.0 s (Claude Fable 5.2 (max)) to the first answer token–
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 59.1.
  • Claude Fable 5.2 (max) is stronger in coding, knowledge, long context, reasoning.
  • DeepSeek V4 Pro (high) is stronger in human preference, maths.
  • DeepSeek V4 Pro (high) is 16× cheaper ($0.990 vs $16.00 per 1M blended).
  • Claude Fable 5.2 (max) streams 1.6× faster (72 vs 44 tokens per second).

At a glance

SpecClaude Fable 5.2DeepSeek V4 Pro
DeveloperAnthropicDeepSeek
Released9 Nov 202613 Aug 2026
Context window (tokens)1,000,0001,048,576
Compared atClaude Fable 5.2 (max)DeepSeek V4 Pro (high)
Open weightsNoYes
Price in / out / cached input per 1M$8.00 / $40.00 / $0.200$0.660 / $1.98 / $0.022

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)DeepSeek V4 Pro (high)Leader
Reasoning78.462.2Claude Fable 5.2
Coding80.253.8Claude Fable 5.2
Maths–64.6not comparable
Knowledge81.7–not comparable
Human preference–65.1not comparable
Long context66.4–not comparable

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 avg75ReasoningCodingMathsKnowledgeLong contextHumanpreferenceClaude Fable 5.2, Reasoning: 78.4Claude Fable 5.2, Coding: 80.2Claude Fable 5.2, Knowledge: 81.7Claude Fable 5.2, Long context: 66.4DeepSeek V4 Pro, Reasoning: 62.2DeepSeek V4 Pro, Coding: 53.8DeepSeek V4 Pro, Maths: 64.6DeepSeek V4 Pro, Human preference: 65.1

Dashed: that model has no result on the axis it crosses; the line only joins its neighbours.

Not drawn, no result for these models: Agents & tools, Instruction following, Multimodal.

ModelIndex

Where sources disagree

Across the 2 benchmarks both have, Claude Fable 5.2 leads 2, DeepSeek V4 Pro leads 0. Every overall index that rates both puts Claude Fable 5.2 ahead.

Overall indexClaude Fable 5.2 (max)DeepSeek V4 Pro (high)Leader
BenchLeader Index69.459.1Claude Fable 5.2
AA Intelligence Index v5.064.612.6†Claude Fable 5.2
Vals Index71.3†53.0Claude 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)DeepSeek V4 Pro (high)
Blended price per 1M tokens$16.00$0.990
Input / output per 1M$8.00 / $40.00$0.660 / $1.98
Cached input per 1M$0.200$0.022
Price per task: chat reply$0.015$0.0009
Price per task: summarize a 30-page report$0.120$0.0091
Price per task: code edit$0.108$0.0069
Price per task: agentic coding session$0.640$0.048
Price per task: structured extraction$0.024$0.0017
Agentic coding session, input mostly cached$0.289$0.019
Cost per benchmark task (AA Index)$26.54–
Output tokens per task (AA Index)274k–
Of which reasoning193k–
Output speed72 tok/s44 tok/s
Time to first answer3.0 s1.5 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. DeepSeek V4 Pro (high) scores 59.1 and takes 1 s to its first answer token; DeepSeek V4 Pro (max) scores 56.9 in 74 s, DeepSeek V4 Pro scores 53.3 in 1 s. 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

132 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)DeepSeek V4 Pro (high)
BenchLeader IndexBenchLeader69.459.1
Coding scoreBenchLeader80.253.8
Knowledge scoreBenchLeader81.7–
Long context scoreBenchLeader66.4–
Reasoning scoreBenchLeader78.462.2
Human preference scoreBenchLeader–65.1
Maths scoreBenchLeader–64.6
Blended price $/MBenchLeader$16.00$0.990
Output speedBenchLeader72 tok/s44 tok/s
Time to first answerBenchLeader3.0 s1.5 s
Context windowBenchLeader1,000,000 tokens1,048,576 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub–90.9%
Arena Hard PromptsArena (LMArena)–1482
LiveBench 2.0 ReasoningLiveBench88.8%†–
LiveBench 1.0 ReasoningLiveBench–85.8%†
GPQA Diamond (AA)Artificial Analysis–92.8%†
Humanity's Last Exam (AA)Artificial Analysis74.3%41.0%†
HLE-Diamond (AA)Artificial Analysis80.2%19.5%†
GPQA Diamond (Vals)Vals AI–92.4%†
Kagi LLM BenchmarkKagi LLM Benchmark–53.5%†
ARC-AGI-1ARC Prize97.5%87.2%
ARC-AGI-2ARC Prize92.5%59.7%
ARC-AGI-3ARC Prize94.9%–
CritPtArtificial Analysis35.4%18.0%†
CritPt v2 hard subset (AA)Artificial Analysis76.5%23.5%†
MysteryMechanismVals AI51.8%†–
Chess PuzzlesEpoch AI Benchmarking Hub–16.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub–43.0%†
CL-bench LifeEpoch AI Benchmarking Hub–13.5%
LMCAEpoch AI Benchmarking Hub–45.5%†
DTBenchEpoch AI Benchmarking Hub–93.9%†
ForecastBenchForecastBench–60.7%†
Coding
SWE-bench Verified (Epoch)Epoch AI Benchmarking Hub–77.6%†
SciCodeSciCode–46.4%
WeirdMLWeirdML–46.5%
FrontierCodeCognition–28.6%
Show all 132 benchmarks
MetricPublisherClaude Fable 5.2 (max)DeepSeek V4 Pro (high)
Coding
Arena CodingArena (LMArena)–1503
Arena WebDevArena (LMArena)–1581
LiveBench 2.0 CodingLiveBench79.2%†–
LiveBench 1.0 CodingLiveBench–77.2%†
SciCode (AA)Artificial Analysis67.7%51.0%†
LiveCodeBenchVals AI–87.5%†
IOIVals AI–51.6%†
SWE-bench (Vals)Vals AI–96.4%†
Code MigrationVals AI–41.5%†
Code Migration v1.1Vals AI83.3%†52.0%†
ProgramBenchVals AI19.0%†0.0%†
SWE-bench MultimodalVals AI62.3%†–
Vibe Code Bench 1-100Vals AI–17.5%†
Vibe Code Bench v1.1Vals AI93.8%†82.3%†
SWE Atlas: Codebase QnAScale AI SEAL–27.1%†
SWE Atlas: Test WritingScale AI SEAL–27.1%†
Surface Evolver BenchEpoch AI Benchmarking Hub–40.0%
ALE-BenchEpoch AI Benchmarking Hub–1006.1
Terminal-Bench 4.0 (AA)Artificial Analysis59.6%14.1%†
Terminal-Bench 2.1 (AA)Artificial Analysis–78.7%†
Startrise FrontendStartrise–62.7%†
GameBench 2 OverallDuelLab GameBench 2–42.0†
GameBench 2 by reasoning settingDuelLab GameBench 2–45.0
Design Arena WebsiteDesign Arena–1231†
FrontierCode 1.1 (AA)Artificial Analysis56.2%38.8%†
FrontierCode 2.0 (AA)Artificial Analysis48.8%17.1%†
Agents & tools
APEX-AgentsMercor–47.3%†
LiveBench Long AgenticLiveBench82.9%†–
LiveBench BrowserLiveBench86.9%†–
LiveBench Agentic CodingLiveBench–55.0%†
Terminal-Bench 2.1 (Vals)Vals AI–50.2%†
HiL-BenchScale AI SEAL–38.5%†
GDPval-AA v2.1, normalised scoreArtificial Analysis–47.5%†
GDPval-AA v2.1Artificial Analysis18311457†
τ³-Banking (AA)Artificial Analysis–39.6%†
CyberBenchVals AI–72.9%†
Finance Agent v2Vals AI–50.4%†
Finance Agent v2.1Vals AI69.5%†57.1%†
Harvey's Legal Agent Benchmark v1.1Vals AI5.0%†10.8%†
Harvey's Legal Agent Benchmark v1Vals AI–7.5%†
Legal Research BenchVals AI46.1%†40.9%†
SkillsBenchVals AI–53.8%†
SREBenchVals AI–1.9%†
Tax Agent BenchVals AI32.1%†26.8%†
Terminal-Bench 2.0 (Vals)Vals AI–56.2%†
Terminal-Bench 4.0 (Vals)Vals AI65.2%†14.1%†
Terminal-Bench ScienceVals AI55.7%†4.3%†
Vending-Bench 2Andon Labs–3284.5†
AutomationBenchArtificial Analysis76.4%56.7%†
GDP.pdf (AA)Artificial Analysis24.2%11.4%†
Harvey LAB-AA v1.1Harvey7.2%–
EnterpriseOps-GymArtificial Analysis–49.6%†
AA-Briefcase v1.1Artificial Analysis17851253†
Design Arena AgenticDesign Arena–921†
Terminal-Bench-Science 0.1 (AA)Artificial Analysis73.3%5.7%†
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub–64.6%†
FrontierMath Tier 4Epoch AI Benchmarking Hub–26.8%†
OTIS Mock AIMEEpoch AI Benchmarking Hub–95.6%
ProofBenchVals AI–50.0%†
LiveBench MathematicsLiveBench–95.1%†
AIME 2026MathArena–96.7%†
HMMT February 2026MathArena–93.9%†
USAMO 2026MathArena–60.7%†
MathArena ApexMathArena–28.1%†
Arena MathsArena (LMArena)–1465
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub–52.9%†
LiveBench 2.0 Data AnalysisLiveBench81.5%†–
LiveBench ResearchLiveBench94.5%†–
LiveBench 1.0 Data AnalysisLiveBench–79.2%†
AA-Omniscience v1.1Artificial Analysis66.8-6.4†
MMLU-ProVals AI–87.3%†
LegalBenchVals AI–82.4%†
CorpFinVals AI–65.4%†
TaxEvalVals AI–73.1%†
BioMysteryBenchVals AI83.7%†–
CaseLaw v2Vals AI–59.4%†
Excel Modeling BenchmarkVals AI–52.8%†
Excel Modeling Benchmark v1.1Vals AI77.4%†65.1%†
MedCodeVals AI–42.5%†
MedScribeVals AI–80.2%†
Public Benefits Bench v1.1Vals AI–62.9%†
DrugDiscoveryBenchScale AI SEAL–31.7%†
AA-Omniscience v1.1: accuracyArtificial Analysis79.1%45.2%†
AA-Omniscience v1.1: non-hallucinationArtificial Analysis40.7%5.9%†
HealthBench Professional (AA)OpenAI67.7%–
Instruction following
LiveBench LanguageLiveBench–82.1%†
LiveBench Instruction FollowingLiveBench–67.7%†
Arena Instruction FollowingArena (LMArena)–1461
Human preference
Arena TextArena (LMArena)–1464
EQ-Bench 4EQ-Bench–1156†
Arena Creative WritingArena (LMArena)–1444
Arena Multi-turnArena (LMArena)–1469
Arena Longer QueriesArena (LMArena)–1474
Multimodal
LiveBench DesignLiveBench85.1%†–
AA-3DArtificial Analysis1271–
Long context
AA-LCR v1.1Artificial Analysis83.3%80.3%†
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub–155.9†
LiveBench 2.0LiveBench84.9%†–
LiveBench 1.0LiveBench–77.4%†
AA Intelligence Index v5.0Artificial Analysis64.623.1†
AA Intelligence Index v4.3.2Artificial Analysis–36†
AA Progress Index v1Artificial Analysis–311.5†
Vals IndexVals AI71.3†53.0†
Vals Finance IndexVals AI63.6%†52.9%†
Vals Science IndexVals AI63.7%†–
Vals Router IndexVals AI–53.0%†
Metadata
AA Openness IndexArtificial Analysis–44.4†

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

DuelLab GameBench 2, release gb2-20261103-eaea31df94e6 (https://benchmarks.duellab.org/releases/gb2-20261103-eaea31df94e6/), CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Scores mapped to BenchLeader model names; not endorsed by DuelLab.

What changed

  • DeepSeek V4 Pro (high): BenchLeader Index 57.5 → 59.1.
  • DeepSeek V4 Pro (high): 1 score revision.
  • DeepSeek V4 Pro (high): 1 score revision.
  • DeepSeek V4 Pro (high): 16 new results (GPQA Diamond, OTIS Mock AIME, SciCode…); input price moved from $0.44/M to $0.66/M (50% up); output price moved from $0.87/M to $1.98/M (128% up).
  • DeepSeek V4 Pro (high): BenchLeader Index 52.7 → 57.5.
  • DeepSeek V4 Pro (high): 14 new results (AA Intelligence Index v4.3.2, GPQA Diamond (AA), Humanity's Last Exam (AA)…); input price moved from $0.66/M to $0.44/M (33% down); output price moved from $1.98/M to $0.87/M (56% down).
  • DeepSeek V4 Pro (high): BenchLeader Index 55.8 → 52.7.
  • DeepSeek V4 Pro (high): 1 new result (Arena WebDev); input price moved from $0.44/M to $0.66/M (50% up); output price moved from $0.87/M to $1.98/M (128% up).
  • DeepSeek V4 Pro (high): 1 score revision.
  • DeepSeek V4 Pro (high): 1 score revision.

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

Claude Fable 5.2 vs DeepSeek V4 Pro: questions

Is Claude Fable 5.2 better than DeepSeek V4 Pro?
Claude Fable 5.2 (max) leads on quality: 69.4 vs 59.1. 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.
Claude Fable 5.2 vs DeepSeek V4 Pro: which is cheaper, and will that change?
DeepSeek V4 Pro is cheaper today: $0.990 against $16.00 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
Is Claude Fable 5.2 or DeepSeek V4 Pro better for coding?
Claude Fable 5.2 scores higher in coding (80 vs 54 on the category index, where 50 is average).
Which is faster, Claude Fable 5.2 or DeepSeek V4 Pro?
Claude Fable 5.2 streams ~1.5× faster (72 vs 44 output tokens per second, Artificial Analysis 7-day median).
Which is better for long documents?
Both take about 1M tokens: Claude Fable 5.2 1,000,000, DeepSeek V4 Pro 1,048,576.
More questions (3)
Which has lower latency?
DeepSeek V4 Pro answers first: 1.5 s against 3.0 s to the first answer token, as Artificial Analysis measures it. Reasoning effort drives most of this: a higher setting thinks longer before it answers.
Do independent benchmarks agree on Claude Fable 5.2 vs DeepSeek V4 Pro?
Across the 2 benchmarks both have, Claude Fable 5.2 leads 2, DeepSeek V4 Pro 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.