BenchLeader

Gemini 4 Carbon vs Kimi K3.1 Pro Together

Full profiles: Gemini 4 Carbon (Google) and Kimi K3.1 Pro Together (Moonshot AI): every benchmark, price and rank.

Updated · Data from 5 sources

As of 9 Nov 2026, Gemini 4 Carbon is ahead of Kimi K3.1 Pro Together on quality (68.5 vs 60.5 on the BenchLeader Index). Gemini 4 Carbon leads in every category we measure both in.

Key facts (as of 9 Nov 2026)

  • Gemini 4 Carbon scores 68.5 on the BenchLeader Index and Kimi K3.1 Pro Together scores 60.5 (BenchLeader, 9 Nov 2026).
  • Gemini 4 Carbon costs $8.00 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
ReasoningGemini 4 Carbon77 vs 67 category scoreHigh
KnowledgeGemini 4 Carbon74 vs 68 category scoreMedium
Chat quality (human preference)–Only Gemini 4 Carbon has an Arena rating (73 category score)Not comparable
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Gemini 4 Carbon (high) leads on quality: 68.5 vs 60.5.
  • Gemini 4 Carbon (high) is stronger in agents & tools, coding, human preference, knowledge, long context, reasoning.
  • Kimi K3.1 Pro Together (max) is stronger in maths.

At a glance

SpecGemini 4 CarbonKimi K3.1 Pro Together
DeveloperGoogleMoonshot AI
Released28 Oct 202623 Oct 2026
Context window (tokens)1,000,000–
Compared atGemini 4 Carbon (high)Kimi K3.1 Pro Together (max)
Open weightsNoNo
Price in / out / cached input per 1M$4.00 / $20.00 / ––

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.

CategoryGemini 4 Carbon (high)Kimi K3.1 Pro Together (max)Leader
Reasoning76.967.1Gemini 4 Carbon
Coding74.5–not comparable
Agents & tools78.2–not comparable
Maths–65.8not comparable
Knowledge74.367.6Gemini 4 Carbon
Human preference72.8–not comparable
Long context64.3–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 avg75ReasoningCodingAgents & toolsMathsKnowledgeLong contextHumanpreferenceGemini 4 Carbon, Reasoning: 76.9Gemini 4 Carbon, Coding: 74.5Gemini 4 Carbon, Agents & tools: 78.2Gemini 4 Carbon, Knowledge: 74.3Gemini 4 Carbon, Long context: 64.3Gemini 4 Carbon, Human preference: 72.8Kimi K3.1 Pro Together, Reasoning: 67.1Kimi K3.1 Pro Together, Maths: 65.8Kimi K3.1 Pro Together, Knowledge: 67.6

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

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

ModelIndex

Where sources disagree

Across the 0 benchmarks both have, Gemini 4 Carbon leads 0, Kimi K3.1 Pro Together leads 0. Every overall index that rates both puts Gemini 4 Carbon ahead.

Overall indexGemini 4 Carbon (high)Kimi K3.1 Pro Together (max)Leader
BenchLeader Index68.560.5Gemini 4 Carbon

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.

MeasureGemini 4 Carbon (high)Kimi K3.1 Pro Together (max)
Blended price per 1M tokens$8.00–
Input / output per 1M$4.00 / $20.00– / –
Price per task: chat reply$0.0076–
Price per task: summarize a 30-page report$0.060–
Price per task: code edit$0.054–
Price per task: agentic coding session$0.320–
Price per task: structured extraction$0.012–
Cost per benchmark task (AA Index)$7.76–
Output tokens per task (AA Index)123k–
Of which reasoning72k–
Time per task (AA Index)27 min–
Output speed75 tok/s–
Time to first answer69.4 s–
Time to a complete answer160.3 s–

Each model is compared at its best-ranked reasoning-effort setting. Gemini 4 Carbon (high) scores 68.5 and takes 69 s to its first answer token; Gemini 4 Carbon (medium) scores 64.1 in 27 s. 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

46 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.

MetricPublisherGemini 4 Carbon (high)Kimi K3.1 Pro Together (max)
BenchLeader IndexBenchLeader68.560.5
Agents & tools scoreBenchLeader78.2–
Coding scoreBenchLeader74.5–
Human preference scoreBenchLeader72.8–
Knowledge scoreBenchLeader74.367.6
Long context scoreBenchLeader64.3–
Reasoning scoreBenchLeader76.967.1
Maths scoreBenchLeader–65.8
Blended price $/MBenchLeader$8.00–
Output speedBenchLeader75 tok/s–
Time to first answerBenchLeader69.4 s–
Context windowBenchLeader1,000,000 tokens–
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub–94.2%
Arena Hard PromptsArena (LMArena)1547–
HLE-Diamond (AA)Artificial Analysis69.1%–
CritPt v2 hard subset (AA)Artificial Analysis69.0%–
Chess PuzzlesEpoch AI Benchmarking Hub–45.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub–42.0%
Coding
SciCodeSciCode64.2%–
Arena CodingArena (LMArena)1567–
Arena WebDevArena (LMArena)1768–
Vibe Code Bench v1.1Vals AI89.1%–
Terminal-Bench 4.0 (AA)Artificial Analysis65.2%–
FrontierCode 2.0 (AA)Artificial Analysis40.6%–
Agents & tools
Arena AgentArena (LMArena)16.6–
GDPval-AA v2.1Artificial Analysis1733–
Finance Agent v2.1Vals AI67.2%–
Harvey's Legal Agent Benchmark v1.1Vals AI17.5%–
Legal Research BenchVals AI55.8%–
Tax Agent BenchVals AI51.8%–
Terminal-Bench 4.0 (Vals)Vals AI63.1%–
Vending-Bench 2Andon Labs16484.2†–
AutomationBenchArtificial Analysis77.8%–
GDP.pdf (AA)Artificial Analysis28.4%–
AA-Briefcase v1.1Artificial Analysis1611–
GDPxGDPx by SemiAnalysis10.9%–
Terminal-Bench-Science 0.1 (AA)Artificial Analysis64.8%–
Show all 46 benchmarks
MetricPublisherGemini 4 Carbon (high)Kimi K3.1 Pro Together (max)
Agents & tools
FACTS SearchGoogle94.4%†–
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%
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub–62.2%
AA-Omniscience v1.1Artificial Analysis53.5–
Excel Modeling Benchmark v1.1Vals AI76.5%–
AA-Omniscience v1.1: accuracyArtificial Analysis58.3%–
AA-Omniscience v1.1: non-hallucinationArtificial Analysis88.6%–
Instruction following
Arena Instruction FollowingArena (LMArena)1526–
Human preference
Arena TextArena (LMArena)1527–
Arena Creative WritingArena (LMArena)1518–
Arena Multi-turnArena (LMArena)1564–
Arena Longer QueriesArena (LMArena)1539–
Multimodal
MMMU-ProArtificial Analysis89.3%†–
Blueprint-Bench 2Epoch AI Benchmarking Hub58.6%†–
Long context
AA-LCR v1.1Artificial Analysis79.3%–
Composite
AA Intelligence Index v5.0Artificial Analysis60.0–
AA Progress Index v1Artificial Analysis350.8–
Vals IndexVals AI70.5–
Vals Finance IndexVals AI67.0%–

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

What changed

  • Gemini 4 Carbon (high): BenchLeader Index 69.3 → 68.5.
  • Gemini 4 Carbon (high): BenchLeader Index 68.8 → 69.3.
  • Gemini 4 Carbon (high): 1 score revision.
  • Kimi K3.1 Pro Together (max): first results.
  • Gemini 4 Carbon (high): 2 score revisions.
  • Gemini 4 Carbon (high): 1 score revision.
  • Gemini 4 Carbon (high): 2 score revisions.
  • Gemini 4 Carbon (high): 1 score revision.

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

Gemini 4 Carbon vs Kimi K3.1 Pro Together: questions

Is Gemini 4 Carbon better than Kimi K3.1 Pro Together?
Gemini 4 Carbon (high) leads on quality: 68.5 vs 60.5. The BenchLeader Index combines every independent quality benchmark; Gemini 4 Carbon (high) is ahead overall as of 9 Nov 2026, but check the category scores for your use.
When was Gemini 4 Carbon released?
Gemini 4 Carbon was released on 28 Oct 2026.