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Seed 2.1 Turbo vs Kimi K3

At a glance

ByteDance's multimodal model for coding and long-horizon agent workflows.

262K ctx$0.50/$2.50 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
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper83%
Reasoning & Knowledge
Graduate Science—Expert-Level—
Agentic
Terminal Tasks—
Reasoning
CodingInsufficient data
MathInsufficient data
Sources:Provider·OpenRouter· as of 2026-07-16
Reasoning & Knowledge
Graduate Science93.5%Expert-Level43.5%
Agentic
Terminal Tasks88.3%
Specs
262K
Context
236K
Max output
Aug 2026
Released
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input83%$0.50/M tokens
Output83%$2.50/M tokens
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Chat with Seed 2.1 TurboGo to model
Chat with Kimi K3Go to model
Frequently Asked Questions: Seed 2.1 Turbo vs Kimi K3▼

Which is better, Seed 2.1 Turbo or Kimi K3?

▼

Both Seed 2.1 Turbo 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, Seed 2.1 Turbo or Kimi K3?

▼

Seed 2.1 Turbo has a lower blended cost. Seed 2.1 Turbo: $0.50 input / $2.50 output. Kimi K3: $3.00 input / $15.00 output.

Which has a larger context window, Seed 2.1 Turbo or Kimi K3?

▼

Kimi K3 has a larger context window: Seed 2.1 Turbo supports 262K tokens vs Kimi K3 at 1M tokens.

Do both Seed 2.1 Turbo and Kimi K3 support vision?

▼

Yes, both Seed 2.1 Turbo and Kimi K3 support vision/image input.

What are the key differences between Seed 2.1 Turbo and Kimi K3?

▼

Key differences: Seed 2.1 Turbo is significantly cheaper. 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 Seed 2.1 Turbo and Kimi K3 for free on idapt.app to see which performs better for your specific needs.

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