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Kimi K3 vs Llama 3.1 70B

At a glance
MoonshotAIKimi K3

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
MetaLlama 3.1 70B

Meta's 70B model from the Llama 3.1 generation.

60131K ctx$0.40/$0.40 per M#71/92
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
MoonshotAIKimi K3
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Capability
Capability—
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%
Math
Math Problems—Competition Math—
Agentic
Terminal Tasks88.3%
MetaLlama 3.1 70B
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Capability
CapabilityECI59.5
Reasoning & Knowledge
Graduate Science44.2%Expert-Level—
Math
Math Problems36.7%Competition Math3.6%
Agentic
Terminal Tasks—
Specs
MoonshotAIKimi K3
1.0M
Context
16K
Max output
Jul 2026
Released
MetaLlama 3.1 70B
131K
Context
16K
Max output
Jul 2024
Released
Capabilities
MoonshotAIKimi K3
Vision
Audio
Reasoning
MetaLlama 3.1 70B
Vision
Audio
Reasoning
Pricing
MoonshotAIKimi K3
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
MetaLlama 3.1 70B
Live pricing, shown before you run
Input$0.40/M tokens
Output$0.40/M tokens
Chat with Kimi K3Go to model
Chat with Llama 3.1 70BGo to model
Frequently Asked Questions: Kimi K3 vs Llama 3.1 70B▼

Which is better, Kimi K3 or Llama 3.1 70B?

▼

Both Kimi K3 and Llama 3.1 70B 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, Kimi K3 or Llama 3.1 70B?

▼

Llama 3.1 70B has a lower blended cost. Kimi K3: $3.00 input / $15.00 output. Llama 3.1 70B: $0.40 input / $0.40 output.

Which has a larger context window, Kimi K3 or Llama 3.1 70B?

▼

Kimi K3 has a larger context window: Kimi K3 supports 1M tokens vs Llama 3.1 70B at 131K tokens.

Do both Kimi K3 and Llama 3.1 70B support vision?

▼

Kimi K3 supports vision/image input, but Llama 3.1 70B does not.

What are the key differences between Kimi K3 and Llama 3.1 70B?

▼

Key differences: Llama 3.1 70B 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 Kimi K3 and Llama 3.1 70B for free on idapt.app to see which performs better for your specific needs.

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