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GPT 3.5 Turbo 16K vs DeepSeek V4 Pro (0813)

At a glance

GPT 3.5 Turbo with extended 16K context window.

16K ctx$3.00/$4.00 per M

The GA release of DeepSeek's open 1.6T-parameter MoE flagship for advanced reasoning and long-horizon agents.

1.0M ctx$0.66/$1.98 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
Cheaper70%
Specs
16K
Context
4K
Max output
Aug 2023
Released
1.0M
Context
256K
Max output
Aug 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$3.00/M tokens
Output$4.00/M tokens
Live pricing, shown before you run
Input78%$0.66/M tokens
Output51%$1.98/M tokens
Cache read$0.02/M tokens
Chat with GPT 3.5 Turbo 16KGo to model
Chat with DeepSeek V4 Pro (0813)Go to model
Frequently Asked Questions: GPT 3.5 Turbo 16K vs DeepSeek V4 Pro (0813)▼

Which is better, GPT 3.5 Turbo 16K or DeepSeek V4 Pro (0813)?

▼

Both GPT 3.5 Turbo 16K and DeepSeek V4 Pro (0813) 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 DeepSeek V4 Pro (0813)?

▼

DeepSeek V4 Pro (0813) has a lower blended cost. GPT 3.5 Turbo 16K: $3.00 input / $4.00 output. DeepSeek V4 Pro (0813): $0.66 input / $1.98 output.

Which has a larger context window, GPT 3.5 Turbo 16K or DeepSeek V4 Pro (0813)?

▼

DeepSeek V4 Pro (0813) has a larger context window: GPT 3.5 Turbo 16K supports 16K tokens vs DeepSeek V4 Pro (0813) at 1M tokens.

What are the key differences between GPT 3.5 Turbo 16K and DeepSeek V4 Pro (0813)?

▼

Key differences: DeepSeek V4 Pro (0813) is significantly cheaper; only DeepSeek V4 Pro (0813) 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 DeepSeek V4 Pro (0813) for free on idapt.app to see which performs better for your specific needs.

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