Gemini 3 Flash Preview vs Kimi K2.7 Code

Kimi K2.7 Code leads Gemini 3 Flash Preview on coding, 53.4 to 43.7 on the Vibe Coding Index, and Gemini 3 Flash Preview costs 1.3x less per output token ($3.00 vs $4.00 per million). Updated October 22, 2026; 33 benchmarks have a result for both.

Replace Gemini 3 Flash Preview Replace Kimi K2.7 Code

Gemini 3 Flash PreviewGoogle

Coding: 43.7
Overall: 55.0
Output $/M: $3.00

Kimi K2.7 CodeMoonshot AI

Coding: 53.4
Overall: 56.7
Output $/M: $4.00

vs boards won of 33 shared, 2 tied

Gemini 3 Flash Preview or Kimi K2.7 Code: which to pick

Pick Kimi K2.7 Code for coding: it scores 53.4 on the Vibe Coding Index against 43.7 for Gemini 3 Flash Preview.

Pick Gemini 3 Flash Preview for output tokens 1.3x cheaper ($3.00 vs $4.00 per million) and a larger context window (1.05M against 262K tokens).

Model AGemini 3 Flash PreviewGoogle43.7/1002 independent benchmarks$0.37 per solved task Model BKimi K2.7 CodeMoonshot AI53.4/1004 independent benchmarks$0.35 per solved task

333818

Shared results: 33
Gemini 3 Flash Preview only: 38
Kimi K2.7 Code only: 18
Like-for-like categories: 8 of 9

Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.

Which one for your work

Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.

Coding
Vibe Coding Index, six public coding benchmarks
Kimi K2.7 Code
Kimi K2.7 Code scores 53.4 against 43.7.
2 and 4 benchmarks behind the scores
Intelligence
AA Intelligence Index
Gemini 3 Flash Preview
Gemini 3 Flash Preview leads, 26.3 against 25.8.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Kimi K2.7 Code has a AA Agentic Index result, 21.0.
Directional only
Reasoning
GPQA Diamond
No call
Only Gemini 3 Flash Preview has a GPQA Diamond result, 87.9%.
Directional only
Math
AIME
No call
Only Gemini 3 Flash Preview has a AIME result, 95.6%.
Directional only
Knowledge
MMLU Pro
No call
Only Gemini 3 Flash Preview has a MMLU Pro result, 88.6%.
Directional only
Web design
Design Arena: websites
Kimi K2.7 Code
Kimi K2.7 Code leads, 1263 against 1196.
Same board, both measured
Long documents
Listed context window
Gemini 3 Flash Preview
Gemini 3 Flash Preview takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Gemini 3 Flash Preview
Gemini 3 Flash Preview $0.0020, Kimi K2.7 Code $0.0029 per turn.
List prices
Cost per solved task
One SWE-bench Verified task, solved
Kimi K2.7 Code
Gemini 3 Flash Preview $0.37, Kimi K2.7 Code $0.35.
Published attempt cost and pass rate

At a glance

Coding index: Gemini 3 Flash Preview 43.7 from 2 benchmarks, Kimi K2.7 Code 53.4 from 4 benchmarks.
Widest category: Knowledge, 30.3 points apart on average over 1 shared benchmark.
Widest single gap: SimpleQA Verified: Gemini 3 Flash Preview 66.8% against Kimi K2.7 Code 36.5%, 30.3 points apart on a 0 to 100 scale.
Output price: Gemini 3 Flash Preview $3.00 against Kimi K2.7 Code $4.00 per million output tokens, 1.3x apart.
Context window: Gemini 3 Flash Preview takes 1.05M tokens, Kimi K2.7 Code 262K.

Benchmark by benchmark

First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.

Boards won, where both have a result
Category	Gemini 3 Flash Preview	Kimi K2.7 Code	Ties
Coding	3	5	1 tie
Intelligence	1	0
Agentic work	1	7
Reasoning	5	0
Math	1	1	1 tie
Knowledge	1	0
Web design	0	4
General	1	1
All shared boards	13	18	2 ties

CodingLike-for-likeSix of these boards feed the Vibe Coding Index35

Coding benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
SWE-bench Verified	75.8%	Not measured	Only Gemini 3 Flash Preview measured
LMArena WebDev	Not measured	1474	Only Kimi K2.7 Code measured
AA Coding Index	Not measured	60.8	Only Kimi K2.7 Code measured
LiveCodeBench (Vals AI)	85.6%	82.0%	Gemini 3 Flash Preview
SWE-bench Verified (Vals AI)	75.0%	78.2%	Kimi K2.7 Code
Vibe Code Bench (Vals AI)	20.2%	47.2%	Kimi K2.7 Code
Code migration (Vals AI)	6.4%	25.4%	Kimi K2.7 Code
ProgramBench (Vals AI)	0.0%	0.0%	Tie
Terminal-Bench 2.1 (Vals AI)	53.9%	67.0%	Kimi K2.7 Code
SkillsBench (Vals AI)	Not measured	50.0%	Only Kimi K2.7 Code measured
LiveCodeBench (Artificial Analysis run)	90.8%	Not measured	Only Gemini 3 Flash Preview measured
SciCode	Not measured	47.8%	Only Kimi K2.7 Code measured
Terminal-Bench Hard (Artificial Analysis run)	38.6%	44.7%	Kimi K2.7 Code
Terminal-Bench	64.3%	Not measured	Only Gemini 3 Flash Preview measured
FrontierCode	Not measured	30.1%	Only Kimi K2.7 Code measured
GSO-Bench	9.8%	Not measured	Only Gemini 3 Flash Preview measured
WeirdML	61.6%	54.1%	Gemini 3 Flash Preview
ALE-Bench	1367.2	886.2	Gemini 3 Flash Preview
LMArena WebDev: React	Not measured	1475	Only Kimi K2.7 Code measured
LMArena WebDev: HTML	Not measured	1451	Only Kimi K2.7 Code measured
LMArena WebDev: from an image	Not measured	1513	Only Kimi K2.7 Code measured
SciCode	12.7%	Not measured	Only Gemini 3 Flash Preview measured
Neither model has a result on the other 17 boards here

IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10

Intelligence benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
AA Intelligence Index	26.3	25.8	Gemini 3 Flash Preview
Epoch Capabilities Index	Not measured	150.1	Only Kimi K2.7 Code measured

Agentic workLike-for-likePublic boards, shown as published, kept out of the index17

Agentic work benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
AA Agentic Index	Not measured	21.0	Only Kimi K2.7 Code measured
Design Arena: agents building web apps	1111	1176	Kimi K2.7 Code
Design Arena: agents building full-stack apps	1063	1175	Kimi K2.7 Code
Design Arena: agents building mobile apps	1090	1143	Kimi K2.7 Code
Design Arena: agents building Android apps	1051	1138	Kimi K2.7 Code
Design Arena: agents building Godot games	1161	1147	Gemini 3 Flash Preview
Design Arena: agents building games	Not measured	1130	Only Kimi K2.7 Code measured
Design Arena: HTML slides	Not measured	1151	Only Kimi K2.7 Code measured
Design Arena: PowerPoint slides	1036	1129	Kimi K2.7 Code
Finance Agent (Vals AI)	42.5%	Not measured	Only Gemini 3 Flash Preview measured
Tax Agent Bench (Vals AI)	11.8%	Not measured	Only Gemini 3 Flash Preview measured
Legal Research Bench (Vals AI)	18.3%	Not measured	Only Gemini 3 Flash Preview measured
Excel Modeling Benchmark (Vals AI)	26.0%	Not measured	Only Gemini 3 Flash Preview measured
τ²-Bench Telecom	80.4%	90.1%	Kimi K2.7 Code
APEX-Agents	Not measured	37.6%	Only Kimi K2.7 Code measured
BALROG	48.1%	Not measured	Only Gemini 3 Flash Preview measured
DeepResearch Bench	49.8%	Not measured	Only Gemini 3 Flash Preview measured
Vending-Bench 2	$3,635	$5,083	Kimi K2.7 Code
Neither model has a result on the other 23 boards here

ReasoningLike-for-likePublic boards, shown as published, kept out of the index50

Reasoning benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
GPQA Diamond	87.9%	Not measured	Only Gemini 3 Flash Preview measured
MMMU Pro (Vals AI)	87.6%	Not measured	Only Gemini 3 Flash Preview measured
GPQA Diamond (Artificial Analysis run)	89.8%	89.6%	Gemini 3 Flash Preview
Humanity's Last Exam (Artificial Analysis run)	36.6%	35.0%	Gemini 3 Flash Preview
GPQA Diamond (Epoch AI run)	89.4%	87.9%	Gemini 3 Flash Preview
ARC-AGI	84.7%	Not measured	Only Gemini 3 Flash Preview measured
ARC-AGI-2	33.6%	Not measured	Only Gemini 3 Flash Preview measured
SimpleBench	61.1%	57.9%	Gemini 3 Flash Preview
Chess puzzles	39.0%	14.0%	Gemini 3 Flash Preview
Mystery game puzzles	26.0%	Not measured	Only Gemini 3 Flash Preview measured
VPCT	72.6%	Not measured	Only Gemini 3 Flash Preview measured
Neither model has a result on the other 11 boards here

MathLike-for-likePublic boards, shown as published, kept out of the index11

Math benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
AIME	95.6%	Not measured	Only Gemini 3 Flash Preview measured
MGSM (Vals AI)	93.3%	Not measured	Only Gemini 3 Flash Preview measured
AA Math Index	97.0	Not measured	Only Gemini 3 Flash Preview measured
AIME 2025 (Artificial Analysis run)	97.0%	Not measured	Only Gemini 3 Flash Preview measured
OTIS Mock AIME	95.6%	95.6%	Tie
FrontierMath, tiers 1 to 3	51.2%	54.0%	Kimi K2.7 Code
FrontierMath, tier 4	17.1%	12.2%	Gemini 3 Flash Preview
ProofBench	15.0%	Not measured	Only Gemini 3 Flash Preview measured
Neither model has a result on the other 5 boards here

KnowledgeLike-for-likePublic boards, shown as published, kept out of the index10

Knowledge benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
MMLU Pro	88.6%	Not measured	Only Gemini 3 Flash Preview measured
LegalBench (Vals AI)	86.9%	Not measured	Only Gemini 3 Flash Preview measured
CaseLaw (Vals AI)	55.8%	Not measured	Only Gemini 3 Flash Preview measured
CorpFin (Vals AI)	66.4%	Not measured	Only Gemini 3 Flash Preview measured
TaxEval (Vals AI)	73.9%	Not measured	Only Gemini 3 Flash Preview measured
MortgageTax (Vals AI)	68.7%	Not measured	Only Gemini 3 Flash Preview measured
MedQA (Vals AI)	95.8%	Not measured	Only Gemini 3 Flash Preview measured
MedCode (Vals AI)	55.9%	Not measured	Only Gemini 3 Flash Preview measured
MMLU Pro (Artificial Analysis run)	89.0%	Not measured	Only Gemini 3 Flash Preview measured
SimpleQA Verified	66.8%	36.5%	Gemini 3 Flash Preview
GeoBench	88.0%	Not measured	Only Gemini 3 Flash Preview measured
FACTS Benchmark Suite	63.4%	Not measured	Only Gemini 3 Flash Preview measured
Neither model has a result on the other 6 boards here

Web designLike-for-likePublic boards, shown as published, kept out of the index04

Web design benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
Design Arena: websites	1196	1263	Kimi K2.7 Code
Design Arena: UI components	Not measured	1255	Only Kimi K2.7 Code measured
Design Arena: game dev	1166	1220	Kimi K2.7 Code
Design Arena: data viz	Not measured	1227	Only Kimi K2.7 Code measured
Design Arena: 3D	1183	1240	Kimi K2.7 Code
Design Arena: all code categories	1189	1252	Kimi K2.7 Code
Design Arena: SVG	Not measured	1176	Only Kimi K2.7 Code measured
Design Arena: ASCII art	Not measured	1196	Only Kimi K2.7 Code measured
Neither model has a result on the other 1 board here

GeneralLike-for-likePublic boards, shown as published, kept out of the index11

General benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
SAGE (Vals AI)	51.8%	Not measured	Only Gemini 3 Flash Preview measured
MedScribe (Vals AI)	69.9%	Not measured	Only Gemini 3 Flash Preview measured
Vals Multimodal Index	52.2%	Not measured	Only Gemini 3 Flash Preview measured
IFBench	78.0%	63.1%	Gemini 3 Flash Preview
Long context reasoning (AA-LCR)	78.0%	79.3%	Kimi K2.7 Code
DTBench	89.1%	Not measured	Only Gemini 3 Flash Preview measured
LMCA	43.1%	Not measured	Only Gemini 3 Flash Preview measured
Surface Evolver Bench	Not measured	48.8%	Only Kimi K2.7 Code measured
Neither model has a result on the other 38 boards here

Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared

Image generation benchmarks for Gemini 3 Flash Preview and Kimi K2.7 Code
Benchmark	Gemini 3 Flash Preview	Kimi K2.7 Code	Leader
Neither model has a result on 5 boards here

What each workload costs

Three fixed token mixes at each model's listed price, so per-token rates become a bill.

Chat turn

1K input + 500 output tokens

Gemini 3 Flash Preview$0.0020Fits in one request

Kimi K2.7 Code$0.0029Fits in one request

Gemini 3 Flash Preview costs less

Repository review

50K input + 3K output tokens

Gemini 3 Flash Preview$0.034Fits in one request

Kimi K2.7 Code$0.059Fits in one request

Gemini 3 Flash Preview costs less

Agent loop

200K input + 10K output tokens

Gemini 3 Flash Preview$0.130Fits in one request

Kimi K2.7 Code$0.230Fits in one request

Gemini 3 Flash Preview costs less

Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.

Specification differences

The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.

Specifications of Gemini 3 Flash Preview and Kimi K2.7 Code
Specification	Google Gemini 3 Flash Preview	MoonshotAI Kimi K2.7 Code
Maker	Google	Moonshot AI
Weights	No public weights listed	Open weights
Released	December 17, 2025	June 12, 2026
Context window	1.05M	262K
Input $/Mtok	$0.50	$0.95
Output $/Mtok	$3.00	$4.00
Coding index	43.7	53.4
Independent measurements behind it	2	4
Cost per solved task	$0.37	$0.35
Source	OpenRouter listing	OpenRouter listing

Questions

Is Gemini 3 Flash Preview better than Kimi K2.7 Code for coding?

Pick Kimi K2.7 Code for coding: it scores 53.4 on the Vibe Coding Index against 43.7 for Gemini 3 Flash Preview. Pick Gemini 3 Flash Preview for output tokens 1.3x cheaper ($3.00 vs $4.00 per million) and a larger context window (1.05M against 262K tokens).

Which is cheaper, Gemini 3 Flash Preview or Kimi K2.7 Code?

Gemini 3 Flash Preview costs $0.50 per million input tokens and $3.00 per million output tokens; Kimi K2.7 Code costs $0.95 and $4.00. Per solved SWE-bench Verified task, Gemini 3 Flash Preview costs $0.37 and Kimi K2.7 Code $0.35.

Which has the bigger context window, Gemini 3 Flash Preview or Kimi K2.7 Code?

Gemini 3 Flash Preview, with 1.05M tokens against 262K.

How many benchmarks is the Gemini 3 Flash Preview vs Kimi K2.7 Code comparison based on?

33 benchmarks have a result for both models as of October 22, 2026. Gemini 3 Flash Preview's coding index rests on 2 independent benchmarks and Kimi K2.7 Code's on 4. Where only one model has a result, the page says so instead of naming a winner.

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<iframe src="https://llmbenchmark.ai/embed/compare/gemini-3-flash-preview-vs-kimi-k2-7-code" title="Gemini 3 Flash Preview vs Kimi K2.7 Code, LLMBenchmark.ai" width="100%" height="360" style="border:0;max-width:100%" loading="lazy"></iframe>
<p style="font:13px/1.4 sans-serif;margin:6px 0 0">Source: <a href="https://llmbenchmark.ai/compare/gemini-3-flash-preview-vs-kimi-k2-7-code">LLMBenchmark.ai, Gemini 3 Flash Preview vs Kimi K2.7 Code</a></p>

Gemini 3 Flash Preview or Kimi K2.7 Code: which to pick

Which one for your work

Coding

Intelligence

Agentic work

Reasoning

Math

Knowledge

Web design

Long documents

Everyday cost

Cost per solved task

At a glance

Benchmark by benchmark

What each workload costs

Chat turn

Repository review

Agent loop

Specification differences

Questions

Compare next