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GPT 3.5 Turbo 16K vs Grok 4.6

At a glance

GPT 3.5 Turbo with extended 16K context window.

16K ctx$3.00/$4.00 per M

xAI's smartest model, with frontier performance on coding, knowledge work, and STEM.

500K ctx$2.00/$6.00 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
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper8%
Specs
16K
Context
4K
Max output
Aug 2023
Released
500K
Context
128K
Max output
Aug 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$3.00/M tokens
Output33%$4.00/M tokens
Live pricing, shown before you run
Input33%$2.00/M tokens
Output$6.00/M tokens
Cache read$0.50/M tokens
Web search$0.005/search
Chat with GPT 3.5 Turbo 16KGo to model
Chat with Grok 4.6Go to model
Frequently Asked Questions: GPT 3.5 Turbo 16K vs Grok 4.6▼

Which is better, GPT 3.5 Turbo 16K or Grok 4.6?

▼

Both GPT 3.5 Turbo 16K and Grok 4.6 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 16K or Grok 4.6?

▼

Grok 4.6 has a lower blended cost. GPT 3.5 Turbo 16K: $3.00 input / $4.00 output. Grok 4.6: $2.00 input / $6.00 output.

Which has a larger context window, GPT 3.5 Turbo 16K or Grok 4.6?

▼

Grok 4.6 has a larger context window: GPT 3.5 Turbo 16K supports 16K tokens vs Grok 4.6 at 500K tokens.

Do both GPT 3.5 Turbo 16K and Grok 4.6 support vision?

▼

Grok 4.6 supports vision/image input, but GPT 3.5 Turbo 16K does not.

What are the key differences between GPT 3.5 Turbo 16K and Grok 4.6?

▼

Key differences: only Grok 4.6 supports vision input; only Grok 4.6 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 16K and Grok 4.6 for free on idapt.app to see which performs better for your specific needs.

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