Gemini 3 Flash Preview vs Kimi K2.6

Gemini 3 Flash Preview vs Kimi K2.6: which AI model is cheaper, has the larger context window and more capabilities? Side-by-side comparison updated daily.

Quick verdict

  • Gemini 3 Flash Preview is 1.2× cheaper than Kimi K2.6 for the same mix of input and output tokens.
  • Gemini 3 Flash Preview has the larger context window (1M), useful for long documents and big codebases.
  • Kimi K2.6 is the more recent release (Apr 20, 2026).
  • Only Kimi K2.6 has openly published weights you can run yourself.
  • Choose Gemini 3 Flash Preview if cost matters most; choose Kimi K2.6 if you need its specific strengths above. For the best results, test both on your own prompts.
Gemini 3 Flash PreviewKimi K2.6
CompanyGoogle DeepMindMoonshot AI
ReleasedDec 17, 2025Apr 20, 2026 ●
Overall index151.8 ●151.0
SWE-bench Verified75.4%76.7% ●
GPQA Diamond89.4%90.8% ●
AIME math95.6%96.1% ●
FrontierMath51.2%57.2% ●
SimpleQA Verified66.8% ●34.9%
Input (per 1M tokens)$0.50 ●$0.65
Output (per 1M tokens)$3 ●$3.41
Cost for 1M input + 1M output tokens$3.50 ●$4.06
Providers618 ●
Context1M ●256K
Max output64K236K ●
InputsText, Image, Files, Audio, Video ●Text, Image
OutputsTextText
Reasoning✓✓
Tool use✓✓
Structured output✓✓
Open weights—✓

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