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GPT 3.5 Turbo Instruct vs Kimi K3

At a glance
OpenAIGPT 3.5 Turbo Instruct

Instruction-following variant of GPT-3.5 for completion-style tasks.

4K ctx$1.50/$2.00 per M
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
AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
OpenAIGPT 3.5 Turbo Instruct
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:Epoch AI·OpenRouter· as of 2026-07-10
Cheaper
Reasoning & Knowledge
Graduate Science—Expert-Level—
Agentic
Terminal Tasks—Task Horizon1min
MoonshotAIKimi K3
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%Task Horizon—
Specs
OpenAIGPT 3.5 Turbo Instruct
4K
Context
4K
Max output
Sep 2023
Released
MoonshotAIKimi K3
1.0M
Context
16K
Max output
Jul 2026
Released
Capabilities
OpenAIGPT 3.5 Turbo Instruct
Vision
Audio
Reasoning
MoonshotAIKimi K3
Vision
Audio
Reasoning
Pricing
OpenAIGPT 3.5 Turbo Instruct
Live pricing, shown before you run
Input$1.50/M tokens
Output$2.00/M tokens
MoonshotAIKimi K3
Live pricing, shown before you run
Input$3.00/M tokens
Output$15.00/M tokens
Cache read$0.30/M tokens
Chat with GPT 3.5 Turbo InstructGo to model
Chat with Kimi K3Go to model
Frequently Asked Questions: GPT 3.5 Turbo Instruct vs Kimi K3▼

Which is better, GPT 3.5 Turbo Instruct or Kimi K3?

▼

Both GPT 3.5 Turbo Instruct 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 3.5 Turbo Instruct or Kimi K3?

▼

GPT 3.5 Turbo Instruct has a lower blended cost. GPT 3.5 Turbo Instruct: $1.50 input / $2.00 output. Kimi K3: $3.00 input / $15.00 output.

Which has a larger context window, GPT 3.5 Turbo Instruct or Kimi K3?

▼

Kimi K3 has a larger context window: GPT 3.5 Turbo Instruct supports 4K tokens vs Kimi K3 at 1M tokens.

Do both GPT 3.5 Turbo Instruct and Kimi K3 support vision?

▼

Kimi K3 supports vision/image input, but GPT 3.5 Turbo Instruct does not.

What are the key differences between GPT 3.5 Turbo Instruct and Kimi K3?

▼

Key differences: 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 3.5 Turbo Instruct and Kimi K3 for free on idapt.app to see which performs better for your specific needs.

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