Kimi-K2-Thinking vs Gemini 3.5 Flash Lite

API pricing, benchmark indices and specs — updated 19 October 2026.

moonshotai · A · Open weights
Params
1,026.4 B
Context
262,144
30d
48 K
google · B · API-only
Input / 1M
$0.30
Output / 1M
$2.50
AA index
22.2
proprietary · 1M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Kimi-K2-Thinking Gemini 3.5 Flash Lite
Deployment Open weights · also via API API-only (closed weights)
Parameters 1,026.4 B n/a — API-only
Architecture DeepseekV3ForCausalLM n/a — API-only
Context length 262,144 1,048,576
Licence other Proprietary
Commercial use Unknown Per API terms
Languages — n/a — API-only
Downloads 30d 47,623 n/a — API-only
Downloads all time 2.0 M n/a — API-only
Quantizations on the Hub SAFETENSORS n/a — API-only
Gated No n/a — API-only
First seen on the Hub 2025-11-04 n/a — API-only
API input price / 1M tokens $0.60 $0.30
API output price / 1M tokens $2.50 $2.50
Est. cost per 1M input + 1M output tokens $3.10 $2.80
Cached input / 1M tokens $0.15 $0.03
AA Intelligence Index 22 22.2
AA Coding Index — 49.3
AA Agentic Index — 14.3
Max output tokens 98,304 65,536
API providers 2 2
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Kimi-K2-Thinking $3.10
Gemini 3.5 Flash Lite $2.80

Gemini 3.5 Flash Lite is 1.1× cheaper at list price.

VRAM side by side

On RTX 4090 · 24 GB · 8K context unless noted

Kimi-K2-Thinking · fp16 @ 256K ctx 5,580.9 GB / 24 GB
❌ Won’t fit

Adjacent comparisons