BenchLeader

Kimi K3.1 Pro vs Kimi K3.1 Pro Together

Full profiles: Kimi K3.1 Pro (Moonshot AI) and Kimi K3.1 Pro Together (Moonshot AI): every benchmark, price and rank.

Updated · Data from 8 sources

As of 9 Nov 2026, Kimi K3.1 Pro and Kimi K3.1 Pro Together are neck and neck on quality (61.2 vs 60.5 on the BenchLeader Index, inside the ±4.3 margin). Choose K3.1 Pro for maths (74 vs 66); choose K3.1 Pro Together for reasoning (67 vs 60) and knowledge (68 vs 61).

Key facts (as of 9 Nov 2026)

  • Kimi K3.1 Pro scores 61.2 on the BenchLeader Index and Kimi K3.1 Pro Together scores 60.5 (BenchLeader, 9 Nov 2026).
  • Kimi K3.1 Pro costs $4.00 per 1M tokens blended (list price, 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
MathsKimi K3.1 Pro74 vs 66 category scoreHigh
ReasoningKimi K3.1 Pro Together67 vs 60 category scoreMedium
KnowledgeKimi K3.1 Pro Together68 vs 61 category scoreMedium
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Kimi K3.1 Pro and Kimi K3.1 Pro Together (max) are neck and neck on quality (61.2 vs 60.5, within the ±4.3 margin).
  • Kimi K3.1 Pro is stronger in agents & tools, coding, composite, long context, maths, multimodal.
  • Kimi K3.1 Pro Together (max) is stronger in knowledge, reasoning.

At a glance

SpecKimi K3.1 ProKimi K3.1 Pro Together
DeveloperMoonshot AIMoonshot AI
Released23 Oct 202623 Oct 2026
Context window (tokens)1,048,576–
Compared atKimi K3.1 ProKimi K3.1 Pro Together (max)
Open weightsYesNo
Price in / out / cached input per 1M$2.00 / $10.00 / $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.

CategoryKimi K3.1 ProKimi K3.1 Pro Together (max)Leader
Reasoning59.667.1Kimi K3.1 Pro Together
Coding59.7–not comparable
Agents & tools67.9–not comparable
Maths74.165.8Kimi K3.1 Pro
Knowledge61.367.6Kimi K3.1 Pro Together
Multimodal66.4–not comparable
Long context68.0–not comparable
Composite54.8–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 avg75ReasoningMathsKnowledgeKimi K3.1 Pro, Reasoning: 59.6Kimi K3.1 Pro, Maths: 74.1Kimi K3.1 Pro, Knowledge: 61.3Kimi K3.1 Pro Together, Reasoning: 67.1Kimi K3.1 Pro Together, Maths: 65.8Kimi K3.1 Pro Together, Knowledge: 67.6

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

ModelIndex

Where sources disagree

Across the 0 benchmarks both have, Kimi K3.1 Pro leads 0, Kimi K3.1 Pro Together leads 0.

Overall indexKimi K3.1 ProKimi K3.1 Pro Together (max)Leader
BenchLeader Index61.260.5neck and neck

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.

MeasureKimi K3.1 ProKimi K3.1 Pro Together (max)
Blended price per 1M tokens$4.00–
Input / output per 1M$2.00 / $10.00– / –
Cached input per 1M$0.200–
Price per task: chat reply$0.0038–
Price per task: summarize a 30-page report$0.030–
Price per task: code edit$0.027–
Price per task: agentic coding session$0.160–
Price per task: structured extraction$0.0060–
Agentic coding session, input mostly cached$0.079–
Cost per benchmark task (AA Index)$3.68–
Output tokens per task (AA Index)72k–
Of which reasoning44k–
Time per task (AA Index)38 min–
Output speed32 tok/s–
Time to first answer167.4 s–
Time to a complete answer399.9 s–

Each model is compared at its best-ranked reasoning-effort setting. Kimi K3.1 Pro scores 61.2 and takes 167 s to its first answer token. Kimi K3.1 Pro Together (max) scores 60.5. 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

69 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.

MetricPublisherKimi K3.1 ProKimi K3.1 Pro Together (max)
BenchLeader IndexBenchLeader61.260.5
Agents & tools scoreBenchLeader67.9–
Coding scoreBenchLeader59.7–
Composite scoreBenchLeader54.8–
Knowledge scoreBenchLeader61.367.6
Long context scoreBenchLeader68.0–
Maths scoreBenchLeader74.165.8
Multimodal scoreBenchLeader66.4–
Reasoning scoreBenchLeader59.667.1
Blended price $/MBenchLeader$4.00–
Output speedBenchLeader32 tok/s–
Time to first answerBenchLeader167.4 s–
Context windowBenchLeader1,048,576 tokens–
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub–94.2%
LiveBench 2.0 ReasoningLiveBench91.1%–
Humanity's Last Exam (AA)Artificial Analysis52.5%–
HLE-Diamond (AA)Artificial Analysis37.3%–
CritPtArtificial Analysis24.6%–
CritPt v2 hard subset (AA)Artificial Analysis49.5%–
MysteryMechanismVals AI26.1%†–
Chess PuzzlesEpoch AI Benchmarking Hub–45.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub–42.0%
Coding
SciCodeSciCode60.8%–
Arena WebDevArena (LMArena)1687†–
LiveBench 2.0 CodingLiveBench67.8%–
IOIVals AI81.9%†–
Vibe Code Bench v1.1Vals AI84.9%†–
ALE-BenchEpoch AI Benchmarking Hub1932.8†–
Terminal-Bench 4.0 (AA)Artificial Analysis67.2%–
Startrise FrontendStartrise82.5%–
GameBench 2 OverallDuelLab GameBench 278.2–
GameBench 2 by reasoning settingDuelLab GameBench 279.2†–
Design Arena WebsiteDesign Arena1320–
FrontierCode 1.1 (AA)Artificial Analysis47.1%–
FrontierCode 2.0 (AA)Artificial Analysis25.4%–
Agents & tools
Arena AgentArena (LMArena)5.2†–
LiveBench Long AgenticLiveBench38.7%–
LiveBench BrowserLiveBench75.9%–
Show all 69 benchmarks
MetricPublisherKimi K3.1 ProKimi K3.1 Pro Together (max)
Agents & tools
GDPval-AA v2.1, normalised scoreArtificial Analysis67.3%–
GDPval-AA v2.1Artificial Analysis1858–
Analyst Agent (AA)Artificial Analysis38.8%–
Finance Agent v2.1Vals AI61.5%†–
Harvey's Legal Agent Benchmark v1.1Vals AI11.7%†–
Legal Research BenchVals AI37.5%†–
SREBenchVals AI27.1%†–
Tax Agent BenchVals AI24.9%†–
Terminal-Bench 4.0 (Vals)Vals AI63.6%†–
Terminal-Bench ScienceVals AI31.4%†–
AutomationBenchArtificial Analysis73.3%–
GDP.pdf (AA)Artificial Analysis31.4%–
AA-Briefcase v1.1Artificial Analysis1674–
Design Arena AgenticDesign Arena1284–
Terminal-Bench-Science 0.1 (AA)Artificial Analysis34.3%–
CWE-Bench (AA)Artificial Analysis60.8%–
DeepSec-Bench (AA)Artificial Analysis36.7%–
CyberGym end-to-end (AA)Artificial Analysis94.7%–
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub–78.3%
FrontierMath Tier 4Epoch AI Benchmarking Hub–65.8%
OTIS Mock AIMEEpoch AI Benchmarking Hub–100.0%
ProofBenchVals AI91.0%–
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub–62.2%
LiveBench 2.0 Data AnalysisLiveBench79.1%–
LiveBench ResearchLiveBench82.1%–
AA-Omniscience v1.1Artificial Analysis29.9–
BioMysteryBenchVals AI75.6%†–
Excel Modeling Benchmark v1.1Vals AI70.0%†–
AA-Omniscience v1.1: accuracyArtificial Analysis48.9%–
AA-Omniscience v1.1: non-hallucinationArtificial Analysis62.7%–
Multimodal
LiveBench DesignLiveBench73.7%–
MMMU-ProArtificial Analysis83.9%–
AA-3DArtificial Analysis1112–
Long context
AA-LCR v1.1Artificial Analysis86.3%–
MLCRArtificial Analysis38.3%–
Composite
LiveBench 2.0LiveBench68.7%–
AA Intelligence Index v5.0Artificial Analysis46.5–
AA Intelligence Index v4.3.2Artificial Analysis55.1–
AA Progress Index v1Artificial Analysis340.7–
Vals IndexVals AI62.5†–
Vals Finance IndexVals AI56.0%†–
Vals Science IndexVals AI44.4%†–
AA Cyber IndexArtificial Analysis64.1–
Metadata
AA Openness IndexArtificial Analysis33.3–

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

  • Kimi K3.1 Pro: BenchLeader Index 61.8 → 61.2.
  • Kimi K3.1 Pro: 5 score revisions.
  • Kimi K3.1 Pro: BenchLeader Index 61.3 → 61.8.
  • Kimi K3.1 Pro Together (max): first results.
  • Kimi K3.1 Pro: 1 new result (GameBench 2 Overall); 1 score revision.
  • Kimi K3.1 Pro: 1 score revision.
  • Kimi K3.1 Pro: BenchLeader Index 59.3 → 61.3.
  • Kimi K3.1 Pro: 3 new results (SciCode, ProofBench, Startrise Frontend).
  • Kimi K3.1 Pro: BenchLeader Index 61.8 → 59.3.
  • Kimi K3.1 Pro: 5 new results (AA Intelligence Index v5.0, AA Progress Index v1, HLE-Diamond (AA)…); 2 score revisions; Kimi K3.1 Pro cost per task moved from $2.11/M to $3.68/M (74% up).

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

Kimi K3.1 Pro vs Kimi K3.1 Pro Together: questions

Is Kimi K3.1 Pro better than Kimi K3.1 Pro Together?
Kimi K3.1 Pro and Kimi K3.1 Pro Together (max) are neck and neck on quality (61.2 vs 60.5, within the ±4.3 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 9 Nov 2026, so check the category scores for your use.
When was Kimi K3.1 Pro released?
Kimi K3.1 Pro was released on 23 Oct 2026.