OpenAI: GPT-3.5 Turbo vs OpenAI: GPT-4 Turbo: Which AI Model Is Better?

Updated March 2026· Based on independent benchmark data

Quick Verdict

OpenAI: GPT-3.5 Turbo is 20.0x cheaper at $0.50/1M tokens vs $10/1M.

Head-to-Head Comparison

MetricOpenAI: GPT-3.5 TurboOpenAI: GPT-4 Turbo
Intelligence ScoreN/AN/A
Coding ScoreN/AN/A
Math ScoreN/AN/A
Speed (tok/s)N/AN/A
Latency (TTFT)N/AN/A
Input Price / 1M tokens$0.50$10
Output Price / 1M tokens$1.50$30
Context Window16K128K
Max Output Tokens4K4K
Input ModalitiesTextText + Image
Output ModalitiesTextText
Free TierNoNo

Detailed Analysis

Pricing

OpenAI: GPT-3.5 Turbo is more affordable at $0.50/1M input tokens ($1.50/1M output), while OpenAI: GPT-4 Turbo costs $10/1M input ($30/1M output). That makes OpenAI: GPT-4 Turbo 20.0x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-3.5 Turbo would cost approximately $3.00/month vs $60.00/month for OpenAI: GPT-4 Turbo in input costs alone.

Context Window

OpenAI: GPT-4 Turbo offers a larger context window at 128K tokens compared to OpenAI: GPT-3.5 Turbo's 16K. This means OpenAI: GPT-4 Turbo can process roughly 64 pages of text in a single request vs 8 pages for OpenAI: GPT-3.5 Turbo.

Best Use Cases

Choose OpenAI: GPT-3.5 Turbo when you need lower cost. Choose OpenAI: GPT-4 Turbo when you need larger context window (128K).

Choose OpenAI: GPT-3.5 Turbo if:

  • Budget is a concern ($0.50/1M vs $10/1M)

Choose OpenAI: GPT-4 Turbo if:

  • You need a larger context window (128K vs 16K)
  • You need image understanding (Supports image input)

Frequently Asked Questions

Which is cheaper, OpenAI: GPT-3.5 Turbo or OpenAI: GPT-4 Turbo?

OpenAI: GPT-3.5 Turbo is cheaper at $0.50/1M input tokens vs $10/1M for OpenAI: GPT-4 Turbo.

Can OpenAI: GPT-3.5 Turbo process images?

No, OpenAI: GPT-3.5 Turbo does not support image input. However, OpenAI: GPT-4 Turbo does support images.

Which has a larger context window, OpenAI: GPT-3.5 Turbo or OpenAI: GPT-4 Turbo?

OpenAI: GPT-4 Turbo has a larger context window at 128K compared to OpenAI: GPT-3.5 Turbo's 16K.

Related Comparisons

Benchmark data by Artificial Analysis

Data last synced: March 2026