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GPT 4 vs Kimi K3

At a glance

Original GPT-4 — the model that defined a generation of AI agents.

8K ctx$30.00/$60.00 per M

MoonshotAI's 2.8T-parameter flagship for complex coding, knowledge work, and long-horizon agent runs.

1.0M ctx$3.00/$15.00 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Reasoning & Knowledge
Graduate Science—Expert-Level—
Agentic
Terminal Tasks—
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Cheaper84%
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%
Agentic
Terminal Tasks88.3%
Specs
8K
Context
4K
Max output
May 2023
Released
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$30.00/M tokens
Output$60.00/M tokens
Live pricing, shown before you run
Input90%$3.00/M tokens
Output75%$15.00/M tokens
Cache read$0.30/M tokens
Chat with GPT 4Go to model
Chat with Kimi K3Go to model
Frequently Asked Questions: GPT 4 vs Kimi K3▼

Which is better, GPT 4 or Kimi K3?

▼

Both GPT 4 and Kimi K3 are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, GPT 4 or Kimi K3?

▼

Kimi K3 has a lower blended cost. GPT 4: $30.00 input / $60.00 output. Kimi K3: $3.00 input / $15.00 output.

Which has a larger context window, GPT 4 or Kimi K3?

▼

Kimi K3 has a larger context window: GPT 4 supports 8K tokens vs Kimi K3 at 1M tokens.

Do both GPT 4 and Kimi K3 support vision?

▼

Kimi K3 supports vision/image input, but GPT 4 does not.

What are the key differences between GPT 4 and Kimi K3?

▼

Key differences: Kimi K3 is significantly cheaper; only Kimi K3 supports vision input; only Kimi K3 offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both GPT 4 and Kimi K3 for free on idapt.app to see which performs better for your specific needs.

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