Pairwise benchmark snapshot · Aug 16, 2026

Gemini 3.7 Flash vs MoonshotAI: Kimi K2.5 benchmark

Name: Gemini 3.7 Flash vs MoonshotAI: Kimi K2.5 AI benchmark comparison
Creator: CompareLLM
License: https://creativecommons.org/licenses/by/4.0/

This page compares Gemini 3.7 Flash (Google) and MoonshotAI: Kimi K2.5 (Moonshot) using the latest snapshots we have as of Aug 16, 2026. On preference Elo, Gemini 3.7 Flash is ahead by 15 points (1,530 vs 1,515; seed-bootstrap (Aug 16, 2026)). On SWE-bench coding, Gemini 3.7 Flash resolves 72.4% versus 71.3% (seed-bootstrap (Aug 16, 2026)). Gemini 3.7 Flash streams faster (215 tok/s) while Gemini 3.7 Flash is the cheaper output token ($1.88/1M). Gemini 3.7 Flash has the larger context window (1M tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.

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Google

Gemini 3.7 Flash

Google Aug 13 2026 workhorse. Official intro price $0.75/$3.75 per 1M through Dec 31 2026; 1,048,576-token context (Google blog).

Elo 1,530$1.875/1M out

Moonshot

MoonshotAI: Kimi K2.5

Auto-discovered from OpenRouter (moonshotai/kimi-k2.5). Preview until a second source matches.

Elo 1,515$2.8499999999999996/1M out

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Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Gemini 3.7 Flash (9)vsMoonshotAI: Kimi K2.5 (1)

Gemini 3.7 Flash: 9W (90%)Overall: Gemini 3.7 FlashMoonshotAI: Kimi K2.5: 1W (10%)

← Gemini 3.7 FlashMoonshotAI: Kimi K2.5 →

Gemini 3.7 Flash (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo

1,530vs1,515

Coding Elo

1,546vs1,520

SWE-bench

72.4%vs71.3%

LiveBench

69.6%vs67.2%

GPQA Diamond

81.2%vs87.6%

Gemini 3.7 Flash: 4WMoonshotAI: Kimi K2.5: 1W

Gemini 3.7 Flash (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

215 tok/svs72 tok/s

Time to first token

82 msvs270 ms

Gemini 3.7 Flash: 2WMoonshotAI: Kimi K2.5: 0W

Gemini 3.7 Flash (3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$1.88/1Mvs$2.85/1M

Input price

$0.38/1Mvs$0.57/1M

Context window

1Mvs262k

Gemini 3.7 Flash: 3WMoonshotAI: Kimi K2.5: 0W

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect

Percentile 0–100

Dimensional AdvantageGemini 3.7 Flash 4/6

Preference Elo

Gemini 3.7 Flash

15 pts advantage

Throughput Speed

Gemini 3.7 Flash

143 tok/s faster

Price Efficiency

Gemini 3.7 Flash

$0.97/1M cheaper

Full Benchmark Score Matrix

—

Elo

High is better

+1%1,530

EloHigh is better

1,515

Code Elo

High is better

+2%1,546

Code EloHigh is better

1,520

LiveBench

High is better

+4%69.6%

LiveBenchHigh is better

67.2%

SWE-bench

High is better

+2%72.4%

SWE-benchHigh is better

71.3%

GPQA

High is better

81.2%

GPQAHigh is better

87.6%+8%

TTFT

Low is better

+229%82 ms

TTFTLow is better

270 ms

Speed

High is better

+199%215 tok/s

SpeedHigh is better

72 tok/s

In $

Low is better

+52%$0.38/1M

In $Low is better

$0.57/1M

Out $

Low is better

+52%$1.88/1M

Out $Low is better

$2.85/1M

Context

High is better

+300%1M

ContextHigh is better

262k

Interactive Simulator

Workload Cost & Savings Calculator

Simulate monthly production API costs based on published $/1M tokens.

Save up to 34% with Gemini 3.7 Flash

Monthly Volume50M tokens/mo

Quick Presets:

Token Ratio (In vs Out)70% In / 30% Out

RAG / Search (10% out)Coding / Chat (50% out)

Gemini 3.7 Flash$41.25 / mo

In: $13.13Out: $28.13

MoonshotAI: Kimi K2.5$62.70 / mo

In: $19.95Out: $42.75

Estimated Cost Delta

Gemini 3.7 Flash is estimated to save $21.45/month ($257/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

1
Gemini 3.7 Flash:Pick Gemini 3.7 Flash when repo-level coding accuracy is the constraint.
2
Gemini 3.7 Flash:Pick Gemini 3.7 Flash when time-to-first-token matters more than peak Elo.
3
Gemini 3.7 Flash:Pick Gemini 3.7 Flash for million-token RAG or long-document jobs.

Recommended Workload Routing

Repo / coding agentsGemini 3.7 Flash

Higher SWE-bench (72.4%).

High-volume chatGemini 3.7 Flash

Lower output list price ($1.88/1M).

Voice / low-latency UIGemini 3.7 Flash

Lower TTFT (82 ms).

Long-document RAGGemini 3.7 Flash

Larger window (1M).

Screenshots / visionGemini 3.7 Flash

Both accept images. Defaulting to the higher-Elo side (Gemini 3.7 Flash).

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	Gemini 3.7 Flash	Higher SWE-bench (72.4%).
High-volume chat	Gemini 3.7 Flash	Lower output list price ($1.88/1M).
Voice / low-latency UI	Gemini 3.7 Flash	Lower TTFT (82 ms).
Long-document RAG	Gemini 3.7 Flash	Larger window (1M).
Screenshots / vision	Gemini 3.7 Flash	Both accept images. Defaulting to the higher-Elo side (Gemini 3.7 Flash).

Related Editorial Dispatches & Benchmark Notes

View all news

compareAug 13, 2026

Gemini Flash vs Pro: when Flash is the whole product

3.7 Flash vs 3.6 Pro is the current Google volume-versus-upgrade pair.

priceAug 13, 2026

Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate

Jul 21 workhorse that inherited $0.75/$3.75 through year-end. Keep the row; 3.7 is the newer sibling.

launchAug 13, 2026

Gemini 3.7 Flash (Aug 13): $0.75/$3.75 intro through Dec 31 2026

Google’s current workhorse drop. Official intro list and 1,048,576-token context. Compare to Luna and Haiku.

launchJul 15, 2026

Gemini 3.6 Pro: Google’s current Pro-class long-context row

2M context, Pro-class Elo and coding. Upgrade path from Flash is this page, not a vibe check.

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LIVE

Google

Gemini 3.7 Flash

Elo 1,530

LiveBench69.6%

SWE-bench72.4%

Speed215 tok/s

Output cost$1.88/1M

Moonshot

MoonshotAI: Kimi K2.5

Elo 1,515

LiveBench67.2%

SWE-bench71.3%

Speed72 tok/s

Output cost$2.85/1M

Frequently Asked Questions

Which is better overall, Gemini 3.7 Flash or MoonshotAI: Kimi K2.5?: Gemini 3.7 Flash has the higher preference Elo in our latest snapshot (1,530). “Better” still depends on coding, price, and latency — see the table.
Which is better at coding, Gemini 3.7 Flash or MoonshotAI: Kimi K2.5?: Gemini 3.7 Flash leads SWE-bench at 72.4% vs 71.3%. SWE-bench is one harness, not your repo.
Which is cheaper to run in production?: Gemini 3.7 Flash output tokens are $1.88/1M versus $2.85/1M. Input prices and retry rates still move the real bill.
Which is faster, Gemini 3.7 Flash or MoonshotAI: Kimi K2.5?: Gemini 3.7 Flash has the lower time-to-first-token (82 ms vs 270 ms). Tokens/sec is a separate column if you care about long completions.
Which has the larger context window?: Gemini 3.7 Flash accepts 1M tokens versus 262k.
Can I self-host either model?: Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?: No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?: Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Gemini 3.7 Flash and MoonshotAI: Kimi K2.5 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Similar Head-to-Head Comparisons

All Gemini 3.7 Flash matchups →|All MoonshotAI: Kimi K2.5 matchups →

Gemini 3.7 Flash vs Gemini 3.6 Flash (previous gemini-flash)MoonshotAI: Kimi K2.5 vs MoonshotAI: Kimi K2 0711 (previous kimi)MoonshotAI: Kimi K2.5 vs Kimi K3 (next kimi)Kimi K3 vs Gemini 3.7 Flash Gemini 3 Pro vs Gemini 3.7 Flash Gemini 3.6 Flash vs MoonshotAI: Kimi K2.5

Gemini 3.7 Flash vs MoonshotAI: Kimi K2.5 benchmark

Interactive Comparison Diagram

Matchup Breakdown

Tug-of-War Matchup Matrix

Category wins across intelligence, speed, and pricing efficiency.

Gemini 3.7 Flash (9)vsMoonshotAI: Kimi K2.5 (1)

Gemini 3.7 Flash: 9W (90%)Overall: Gemini 3.7 FlashMoonshotAI: Kimi K2.5: 1W (10%)

← Gemini 3.7 FlashMoonshotAI: Kimi K2.5 →

Gemini 3.7 Flash (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo

1,530vs1,515

Coding Elo

1,546vs1,520

SWE-bench

72.4%vs71.3%

LiveBench

69.6%vs67.2%

GPQA Diamond

81.2%vs87.6%

Gemini 3.7 Flash: 4WMoonshotAI: Kimi K2.5: 1W

Gemini 3.7 Flash (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed

215 tok/svs72 tok/s

Time to first token

82 msvs270 ms

Gemini 3.7 Flash: 2WMoonshotAI: Kimi K2.5: 0W

Gemini 3.7 Flash (3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price

$1.88/1Mvs$2.85/1M

Input price

$0.38/1Mvs$0.57/1M

Context window

1Mvs262k

Gemini 3.7 Flash: 3WMoonshotAI: Kimi K2.5: 0W

Recommended Workload Routing

Repo / coding agentsGemini 3.7 Flash

Higher SWE-bench (72.4%).

High-volume chatGemini 3.7 Flash

Lower output list price ($1.88/1M).

Voice / low-latency UIGemini 3.7 Flash

Lower TTFT (82 ms).

Long-document RAGGemini 3.7 Flash

Larger window (1M).

Screenshots / visionGemini 3.7 Flash

Both accept images. Defaulting to the higher-Elo side (Gemini 3.7 Flash).

Target Workload	Recommended Pick	Evaluation Rationale
Repo / coding agents	Gemini 3.7 Flash	Higher SWE-bench (72.4%).
High-volume chat	Gemini 3.7 Flash	Lower output list price ($1.88/1M).
Voice / low-latency UI	Gemini 3.7 Flash	Lower TTFT (82 ms).
Long-document RAG	Gemini 3.7 Flash	Larger window (1M).
Screenshots / vision	Gemini 3.7 Flash	Both accept images. Defaulting to the higher-Elo side (Gemini 3.7 Flash).

Frequently Asked Questions

Which is better overall, Gemini 3.7 Flash or MoonshotAI: Kimi K2.5?

Gemini 3.7 Flash has the higher preference Elo in our latest snapshot (1,530). “Better” still depends on coding, price, and latency — see the table.

Which is better at coding, Gemini 3.7 Flash or MoonshotAI: Kimi K2.5?

Gemini 3.7 Flash leads SWE-bench at 72.4% vs 71.3%. SWE-bench is one harness, not your repo.

Which is cheaper to run in production?

Gemini 3.7 Flash output tokens are $1.88/1M versus $2.85/1M. Input prices and retry rates still move the real bill.

Which is faster, Gemini 3.7 Flash or MoonshotAI: Kimi K2.5?

Gemini 3.7 Flash has the lower time-to-first-token (82 ms vs 270 ms). Tokens/sec is a separate column if you care about long completions.

Which has the larger context window?

Gemini 3.7 Flash accepts 1M tokens versus 262k.

Can I self-host either model?

Neither model is marked open-weights here. You are comparing hosted APIs.

Are these scores from CompareLLM’s own evals?

No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.

What does preference Elo mean on this page?

Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Gemini 3.7 Flash and MoonshotAI: Kimi K2.5 Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Intelligence & Reasoning

Speed & Latency

Pricing & Capacity

Multi-Dimensional Capability Radar

Gemini 3.7 Flash

Gemini 3.7 Flash

Gemini 3.7 Flash

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Gemini Flash vs Pro: when Flash is the whole product

Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate

Gemini 3.7 Flash (Aug 13): $0.75/$3.75 intro through Dec 31 2026

Gemini 3.6 Pro: Google’s current Pro-class long-context row

Cast Your Matchup Vote

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CompareLLM Matrix

Gemini 3.7 Flash

MoonshotAI: Kimi K2.5

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons

Swap or Add Any Model to this Matchup

Interactive Comparison Diagram

Tug-of-War Matchup Matrix

Intelligence & Reasoning

Speed & Latency

Pricing & Capacity

Multi-Dimensional Capability Radar

Gemini 3.7 Flash

Gemini 3.7 Flash

Gemini 3.7 Flash

Full Benchmark Score Matrix

Workload Cost & Savings Calculator

Key Selection Recommendations

Recommended Workload Routing

Related Editorial Dispatches & Benchmark Notes

Gemini Flash vs Pro: when Flash is the whole product

Gemini 3.6 Flash (Jul 21) now shares the 3.7 intro rate

Gemini 3.7 Flash (Aug 13): $0.75/$3.75 intro through Dec 31 2026

Gemini 3.6 Pro: Google’s current Pro-class long-context row

Cast Your Matchup Vote

Community Discussions (0)

Share card

CompareLLM Matrix

Gemini 3.7 Flash

MoonshotAI: Kimi K2.5

Frequently Asked Questions

Related news

Similar Head-to-Head Comparisons