Skip to main content
idapt
HomeAI ModelsExploreResourcesPricing
Sign inUse for Free
  • Home
  • Pricing
  • AI Models
  • Skills
  • Image models
  • Voice models
  • Video models
  • Rankings
  • Multi-Model Chat
  • Agents
  • Computers
  • Drive
  • Actions
  • AI Gateway
  • All features →
  • Blog
  • About
  • Comparisons
  • Benchmarks
  • Model Match
  • Demos
  • Help center
  • FAQ
  • Privacy
  • Support
  • Developers
  • Quickstarts
  • API reference
  • API pricing
  • CLI
  • MCP
  • Migrate
  • Downloads
  • Desktop
© idapt[email protected]TermsPrivacy PolicyLegal noticeReport content
X (Twitter)Discord

GPT 4o vs Kimi K3

At a glance

OpenAI's original omni model supporting text and image inputs.

63128K ctx$2.50/$10.00 per M#64/92

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

1.0M ctx$0.30/$11.94 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
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-10-02
Capability
CapabilityECI63.0
Reasoning & Knowledge
Graduate Science49.2%Expert-Level2.7%Factual Recall26.0%
Math
Math Problems53.3%Competition Math6.4%Research Math0.3%
Coding
Real-World Coding31.0%Code Editing23.1%
Agentic
Terminal Tasks—Novel Reasoning—Task Horizon9min
Reasoning
CodingInsufficient data
Sources:Epoch AI·Provider·OpenRouter· as of 2026-10-02
Cheaper27%
Capability
Capability—
Reasoning & Knowledge
Graduate Science90%93.5%Expert-Level1499%43.5%Factual Recall95%50.6%
Math
Math Problems—Competition Math1422%97.2%Research Math—
Coding
Real-World Coding—Code Editing—
Agentic
Terminal Tasks88.3%Novel Reasoning60.4%Task Horizon—
Specs
128K
Context
16K
Max output
May 2024
Released
1.0M
Context
256K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$2.50/M tokens
Output16%$10.00/M tokens
Cache read$1.25/M tokens
Live pricing, shown before you run
Input88%$0.30/M tokens
Output$11.94/M tokens
Cache read83%$0.21/M tokens
Chat with GPT 4oGo to model
Chat with Kimi K3Go to model
Frequently Asked Questions: GPT 4o vs Kimi K3▼

Which is better, GPT 4o or Kimi K3?

▼

Both GPT 4o 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 4o or Kimi K3?

▼

Kimi K3 has a lower blended cost. GPT 4o: $2.50 input / $10.00 output. Kimi K3: $0.30 input / $11.94 output.

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

▼

Kimi K3 has a larger context window: GPT 4o supports 128K tokens vs Kimi K3 at 1M tokens.

Do both GPT 4o and Kimi K3 support vision?

▼

Yes, both GPT 4o and Kimi K3 support vision/image input.

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

▼

Key differences: Kimi K3 is significantly cheaper; 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 4o and Kimi K3 for free on idapt.app to see which performs better for your specific needs.

Open in App