Model Comparison

GLM-4.7-Flash vs Kimi K2 InstructWhich is better in 2026?

GLM-4.7-Flash significantly outperforms across most benchmarks. GLM-4.7-Flash is 3.3x cheaper per token.

Verdict: GLM-4.7-Flash vs Kimi K2 Instruct — which is better?

GLM-4.7-Flash (by Zhipu AI) and Kimi K2 Instruct (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GLM-4.7-Flash outperforms in 3 benchmarks (AIME 2025, GPQA, Humanity's Last Exam), while Kimi K2 Instruct is better at 0 benchmarks. GLM-4.7-Flash significantly outperforms across most benchmarks.

On price, GLM-4.7-Flash is roughly 3.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K2 Instruct also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GLM-4.7-Flash if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • cost matters — it's about 3.3x cheaper per token
  • you want the most recent training data — it shipped Jan 2026

Choose Kimi K2 Instruct if…

  • you process long inputs — it offers a 200,000 token context window

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GLM-4.7-Flash outperforms in 3 benchmarks (AIME 2025, GPQA, Humanity's Last Exam), while Kimi K2 Instruct is better at 0 benchmarks.

GLM-4.7-Flash significantly outperforms across most benchmarks.

Tue Jul 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-4.7-Flash costs less

For input processing, GLM-4.7-Flash ($0.07/1M tokens) is 7.1x cheaper than Kimi K2 Instruct ($0.50/1M tokens).

For output processing, GLM-4.7-Flash ($0.40/1M tokens) is 1.3x cheaper than Kimi K2 Instruct ($0.50/1M tokens).

In conclusion, Kimi K2 Instruct is more expensive than GLM-4.7-Flash.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue Jul 21 2026 • llm-stats.com
Zhipu AI
GLM-4.7-Flash
Input tokens$0.07
Output tokens$0.40
Best providerUnknown Organization
Moonshot AI
Kimi K2 Instruct
Input tokens$0.50
Output tokens$0.50
Best providerFireworks
Notice missing or incorrect data?Start an Issue

Model Size

Parameter count comparison

970.0B diff

Kimi K2 Instruct has 970.0B more parameters than GLM-4.7-Flash, making it 3233.3% larger.

Zhipu AI
GLM-4.7-Flash
30.0Bparameters
Moonshot AI
Kimi K2 Instruct
1.0Tparameters
30.0B
GLM-4.7-Flash
1000.0B
Kimi K2 Instruct

Context Window

Maximum input and output token capacity

Kimi K2 Instruct accepts 200,000 input tokens compared to GLM-4.7-Flash's 128,000 tokens. Kimi K2 Instruct can generate longer responses up to 200,000 tokens, while GLM-4.7-Flash is limited to 16,384 tokens.

Zhipu AI
GLM-4.7-Flash
Input128,000 tokens
Output16,384 tokens
Moonshot AI
Kimi K2 Instruct
Input200,000 tokens
Output200,000 tokens
Tue Jul 21 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under MIT.

Both models share the same licensing terms, providing consistent usage rights.

GLM-4.7-Flash

MIT

Open weights

Kimi K2 Instruct

MIT

Open weights

Release Timeline

When each model was launched

GLM-4.7-Flash was released on 2026-01-19, while Kimi K2 Instruct was released on 2025-07-11.

GLM-4.7-Flash is 6 months newer than Kimi K2 Instruct.

GLM-4.7-Flash

Jan 19, 2026

6 months ago

6mo newer
Kimi K2 Instruct

Jul 11, 2025

1.0 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GLM-4.7-Flash is available from ZAI. Kimi K2 Instruct is available from Fireworks, Novita.

GLM-4.7-Flash

z logo
Unknown Organization
Input Price:Input: $0.07/1MOutput Price:Output: $0.40/1M

Kimi K2 Instruct

fireworks logo
Fireworks
Input Price:Input: $0.50/1MOutput Price:Output: $0.50/1M
novita logo
Novita
Input Price:Input: $0.57/1MOutput Price:Output: $2.30/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Less expensive input tokens
Less expensive output tokens
Higher AIME 2025 score (91.6% vs 49.5%)
Higher GPQA score (75.2% vs 75.1%)
Higher Humanity's Last Exam score (14.4% vs 4.7%)
Larger context window (200,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GLM-4.7-Flash and Kimi K2 Instruct side-by-side, then vote on the output you prefer.

GLM-4.7-Flash
✓ Preferred
Kimi K2 Instruct
Open in Playground
AI Model Comparison Table
Feature
Zhipu AI
GLM-4.7-Flash
Moonshot AI
Kimi K2 Instruct

FAQ

Common questions about GLM-4.7-Flash vs Kimi K2 Instruct.

Which is better, GLM-4.7-Flash or Kimi K2 Instruct?

GLM-4.7-Flash significantly outperforms across most benchmarks. GLM-4.7-Flash is made by Zhipu AI and Kimi K2 Instruct is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GLM-4.7-Flash compare to Kimi K2 Instruct in benchmarks?

GLM-4.7-Flash scores AIME 2025: 91.6%, Tau-bench: 79.5%, GPQA: 75.2%, SWE-Bench Verified: 59.2%, BrowseComp: 42.8%. Kimi K2 Instruct scores MATH-500: 97.4%, GSM8k: 97.3%, CBNSL: 95.6%, HumanEval: 93.3%, MMLU-Redux: 92.7%.

Is GLM-4.7-Flash cheaper than Kimi K2 Instruct?

GLM-4.7-Flash is 7.1x cheaper for input tokens. GLM-4.7-Flash costs $0.07/M input and $0.40/M output via z. Kimi K2 Instruct costs $0.50/M input and $0.50/M output via fireworks.

What are the context window sizes for GLM-4.7-Flash and Kimi K2 Instruct?

GLM-4.7-Flash supports 128K tokens and Kimi K2 Instruct supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-4.7-Flash and Kimi K2 Instruct?

Key differences include context window (128K vs 200K), input pricing ($0.07 vs $0.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-4.7-Flash and Kimi K2 Instruct?

GLM-4.7-Flash is developed by Zhipu AI and Kimi K2 Instruct is developed by Moonshot AI.