Gemini 2.5 Flash vs Kimi K3

Side-by-side comparison of pricing, capabilities, benchmarks, and use case fit.

G

Gemini 2.5 Flash

Google

Overall 90

fast

MA

Kimi K3

Moonshot AI

Overall 91

standard

Capability radar

Normalized coding, reasoning, writing, vision, context, and value

Gemini 2.5 FlashKimi K3

Comparison of Gemini 2.5 Flash vs Kimi K3
Metric	Gemini 2.5 Flash	Kimi K3
Input Price / 1M	$0.15	$3.00
Output Price / 1M	$0.60	$15.00
Combined Price / 1M	$0.75	$18.00
Context Window	1,048,576	1,000,000
Coding Score	88	93
Reasoning Score	89	94
Vision Score	94	88
Audio	Yes	No
Streaming	Yes	Yes
Function Calling	Yes	Yes
Latency Tier	fast	standard
Release Date	4/17/2025	7/16/2026

Gemini 2.5 Flash — Strengths & Weaknesses

Strengths

Thinking mode
Excellent multimodal
Low cost

Weaknesses

Preview API stability

Kimi K3 — Strengths & Weaknesses

Strengths

1M context
Frontier coding/reasoning
Native multimodal

Weaknesses

Premium output pricing
Newer ecosystem tooling

Use Case Verdicts

Coding

Kimi K3 scores 93 vs 88 on coding benchmarks.

General Chat

Kimi K3 leads on writing quality (90 vs 87).

Long Context

Gemini 2.5 Flash

Gemini 2.5 Flash offers 1M tokens vs 1M.

Cost Efficiency

Gemini 2.5 Flash

Gemini 2.5 Flash is cheaper at $0.75/M combined vs $18.00/M.

Enterprise Use

Kimi K3 combines strong reasoning, tooling, and context for enterprise workloads.

Agent Workflows

Kimi K3 is better suited for agentic workflows with tool use and coding capability.