text model comparison
Gemini 3 Flash Preview vs Kimi K2 Instruct
Gemini 3 Flash Preview and Kimi K2 Instruct are both current text models, from Google and Moonshot Kimi. On Arena Text, Gemini 3 Flash Preview scores 1473 Elo and Kimi K2 Instruct 1418 Elo (Arena, measured October 28, 2026). Gemini 3 Flash Preview has the larger context window, 1,048,576 vs 128,000 tokens.
- Higher Arena Text
- Gemini 3 Flash Preview1473 Elo against 1418 Elo
- Longer context window
- Gemini 3 Flash Preview1.05M tokens against 128K tokens
- Newer release
- Gemini 3 Flash PreviewDec 2025 against Jul 2025
Data verified November 3, 2026 · Dataset 2026-11-03
Side by side
Gemini 3 Flash Preview and Kimi K2 Instruct, line by line
Prices in effect today, compared at the same tier wherever both list one. The better value in each row is highlighted.
| Fact | Gemini 3 Flash Preview | Kimi K2 Instruct |
|---|---|---|
| Price | ||
| Price per 1M input tokens | $0.50 | Not listed |
| Price per 1M output tokens | $3 | Not listed |
| Independent benchmarks | ||
| Arena Text | 1473 Elo (#24 of 51) (better) | 1418 Elo (#43 of 51) |
| Arena WebDev | 1440 Elo (#37 of 45) | Not measured |
| FrontierMath Tiers 1-3 (v2) | 51.2% (#35 of 42) | Not measured |
| GPQA Diamond | 89.4% (#31 of 41) | Not measured |
| SimpleQA Verified | 66.8% (#10 of 38) | Not measured |
| Specs | ||
| Provider | Moonshot Kimi | |
| Release date | December 17, 2025 | July 11, 2025 |
| Access | API only | open weights |
| Context window | 1,048,576 tokens | 128,000 tokens |
| Max output | 65,536 tokens | Not reported |
| Input | text, image, audio, video | text |
| Output | text | text |
Charts
Against every current text model
Where Gemini 3 Flash Preview and Kimi K2 Instruct land among the current models of their task, on every independent benchmark, on price and on context.
Where each stands
On Arena Text, Gemini 3 Flash Preview ranks #24 and Kimi K2 Instruct #43 of 51 current models. Each bar is the share of current models it beats: on score, price and context.
Independent benchmarks
Arena Text
Gemini 3 Flash Preview:#24of 51
1,473 Elo · ahead of 54%
Kimi K2 Instruct:#43of 51
1,418 Elo · ahead of 16%
Arena WebDev
Gemini 3 Flash Preview:#37of 45
1,440 Elo · ahead of 18%
Kimi K2 Instruct: Not scored
FrontierMath Tiers 1-3 (v2)
Gemini 3 Flash Preview:#35of 42
51.2% · ahead of 17%
Kimi K2 Instruct: Not scored
GPQA Diamond
Gemini 3 Flash Preview:#31of 41
89.4% · ahead of 25%
Kimi K2 Instruct: Not scored
SimpleQA Verified
Gemini 3 Flash Preview:#10of 38
66.8% · ahead of 76%
Kimi K2 Instruct: Not scored
Price and context
Price per 1M input tokens
Gemini 3 Flash Preview:#17of 52
$0.50 · cheaper than 69%
Kimi K2 Instruct: Not listed
Price per 1M output tokens
Gemini 3 Flash Preview:#21of 52
$3 · cheaper than 59%
Kimi K2 Instruct: Not listed
Context window
Gemini 3 Flash Preview:#11of 64
1.05M tokens · longer than 67%
Kimi K2 Instruct:#59of 64
128K tokens · longer than 0%
Quality against price
Gemini 3 Flash Preview scores 1,473 at $1.13 (blended price per 1M tokens). The line joins the current models no other beats on both price and Arena Text score; hover any point to name it.
Quality against price: the data
| Model | Provider | Blended price per 1M tokens | Arena Text (Elo) |
|---|---|---|---|
| Gemini 4 Argon | $4 | 1,520 | |
| Claude Opus 5.5 | Anthropic | $8 | 1,509 |
| Muse Wonder | Meta | $8 | 1,507 |
| Claude Fable 5 | Anthropic | $20 | 1,504 |
| Claude Fable 5.1 | Anthropic | $20 | 1,504 |
| Gemini 3.8 Flash | $1.50 | 1,496 | |
| Muse Spark 1.3 | Meta | $2 | 1,495 |
| Claude Opus 5 | Anthropic | $10 | 1,492 |
| Kimi K3 | Moonshot Kimi | $6 | 1,488 |
| GPT-5.6 Sol | OpenAI | $8 | 1,485 |
| Gemini 3.6 Flash | $3 | 1,483 | |
| GPT-5.5 | OpenAI | $11 | 1,482 |
| Claude Opus 4.8 | Anthropic | $10 | 1,482 |
| Qwen3.8-Max | Alibaba Qwen | $3 | 1,482 |
| GPT-6.1 Sol | OpenAI | $4 | 1,481 |
| GLM-5.3 | Z.ai | $2.15 | 1,481 |
| MiMo-V2.6-Pro | Xiaomi MiMo | $0.54 | 1,480 |
| Claude Sonnet 5.5 | Anthropic | $4 | 1,477 |
| GLM-5.3-Flash | Z.ai | $0.24 | 1,477 |
| GPT-6 Astra | OpenAI | $20 | 1,476 |
| DeepSeek-V4.1-Flash | DeepSeek | $0.52 | 1,476 |
| GPT-5.4 | OpenAI | $5.63 | 1,475 |
| Gemini 3 Flash Preview | $1.13 | 1,473 | |
| Grok 4.20 | xAI | $1.56 | 1,472 |
| GPT-5.6 Terra | OpenAI | $4.50 | 1,467 |
| Grok 4.5 | xAI | $3 | 1,465 |
| DeepSeek-V4-Pro | DeepSeek | $1.98 | 1,465 |
| Claude Sonnet 5 | Anthropic | $4 | 1,462 |
| GPT-6 Sol | OpenAI | $4 | 1,458 |
| Gemini 3.5 Flash-Lite | $0.85 | 1,456 | |
| Grok 4.6 | xAI | $3 | 1,455 |
| GPT-5.6 Luna | OpenAI | $0.45 | 1,453 |
| MiMo-V2.6-Flash | Xiaomi MiMo | $0.18 | 1,448 |
| Step 5 Preview | StepFun | $1.43 | 1,448 |
| Grok 4.3 | xAI | $1.56 | 1,442 |
| GPT-6 Luna | OpenAI | $0.20 | 1,441 |
| Grok 4.7 | xAI | $3 | 1,441 |
| Mistral Large 4 | Mistral AI | $1.05 | 1,432 |
| Claude Haiku 5.5 | Anthropic | $0.20 | 1,425 |
| GPT-4.1 | OpenAI | $3.50 | 1,415 |
| Solar Pro 4 | Upstage | $0.52 | 1,388 |
| GPT-4.1 mini | OpenAI | $0.70 | 1,383 |
| GPT-4.1 nano | OpenAI | $0.18 | 1,322 |
Cost
What each costs
Example workloads at each provider's listed rates, then every other rate either one lists. The cheaper figure in each row is highlighted.
| Workload or rate | Gemini 3 Flash Preview | Kimi K2 Instruct |
|---|---|---|
| Other listed rates | ||
| 1M input tokens, cached | $0.05 | Not listed |
| 1M input tokens, cached audio | $0.10 | Not listed |
| 1M input tokens, audio | $1 | Not listed |
Your own bill will differ. These figures use list prices and example workloads. The AI Model Cost Audit reviews your real usage, shortlists models that score as well for each task for less, and estimates the savings.
Launch price $100, regular price $150
Verdict
When to choose each
Gemini 3 Flash Preview
Where it leads
- Higher Arena Text score, 1473 Elo vs 1418 Elo
- Larger context window 1,048,576 vs 128,000 tokens
- Accepts image, audio and video input
- A cached-input rate, $0.05 per 1M tokens
Best for
- Fast multimodal and agentic coding evaluations
Watch out for
- This preview endpoint may change before becoming stable and the published price varies by input modality
Kimi K2 Instruct
Where it leads
- Open weights you can run yourself
Best for
- Private instruction-following evaluation with 128,000-token context
Watch out for
- Hosted token price and infrastructure cost are not represented; measure deployment and operating cost directly
From benchmark to production
Building on Gemini 3 Flash Preview or Kimi K2 Instruct?
Public scores rarely hold on your own data. We test both models on your real tasks, then build the agent or pipeline around the one that wins.
AI Model Cost AuditLaunch price $100, regular price $150What the audit includes
FAQ
Gemini 3 Flash Preview vs Kimi K2 Instruct FAQ
Do Gemini 3 Flash Preview and Kimi K2 Instruct discount cached input?
Gemini 3 Flash Preview lists a cached-input rate of $0.05 per 1M tokens, 90% below its standard input rate. No cached-input rate is listed for Kimi K2 Instruct.
Which scores higher on independent benchmarks, Gemini 3 Flash Preview or Kimi K2 Instruct?
Gemini 3 Flash Preview leads on Arena Text, 1473 Elo to 1418 Elo. Scores are independent evaluations, not either vendor's launch figures.
Which has the larger context window, Gemini 3 Flash Preview or Kimi K2 Instruct?
Gemini 3 Flash Preview has the larger context window, 1,048,576 vs 128,000 tokens.
How do Gemini 3 Flash Preview and Kimi K2 Instruct differ in features?
Gemini 3 Flash Preview takes text, image, audio and video input; Kimi K2 Instruct takes text.
Can I run Gemini 3 Flash Preview or Kimi K2 Instruct myself?
Kimi K2 Instruct is released as open weights you can run yourself; Gemini 3 Flash Preview is available through its provider's API only.
Further reading
More on Gemini 3 Flash Preview and Kimi K2 Instruct
Related comparisons
- Claude Haiku 5.5 vs Gemini 3 Flash Preview
- DeepSeek-R1 vs Kimi K2 Instruct
- Gemini 3 Flash Preview vs Mistral Large 4
- Gemini 2.5 Pro vs Kimi K2 Instruct
- DeepSeek-V4.1-Flash vs Gemini 3 Flash Preview
- GPT-4.1 mini vs Kimi K2 Instruct
- Gemini 3.8 Flash vs Gemini 3 Flash Preview
- GPT-4.1 vs Kimi K2 Instruct
- Gemini 3.7 Flash vs Gemini 3 Flash Preview
- Gemini 3.1 Pro Preview vs Gemini 3 Flash Preview
- Gemini 3 Flash Preview vs GLM-5.3-Flash
- Gemini 3 Flash Preview vs GPT-4.1 mini
Production evaluation
Choosing between Gemini 3 Flash Preview and Kimi K2 Instruct?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty