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

Updated March 2026· Based on independent benchmark data

Quick Verdict

OpenAI: GPT-4o is 4.0x cheaper at $2.50/1M tokens vs $10/1M.

Head-to-Head Comparison

MetricOpenAI: GPT-4 Turbo PreviewOpenAI: GPT-4o
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$10$2.50
Output Price / 1M tokens$30$10
Context Window128K128K
Max Output Tokens4K16K
Input ModalitiesTextText + Image + File
Output ModalitiesTextText
Free TierNoNo

Detailed Analysis

Pricing

OpenAI: GPT-4o is more affordable at $2.50/1M input tokens ($10/1M output), while OpenAI: GPT-4 Turbo Preview costs $10/1M input ($30/1M output). That makes OpenAI: GPT-4 Turbo Preview 4.0x 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-4 Turbo Preview would cost approximately $60.00/month vs $15.00/month for OpenAI: GPT-4o in input costs alone.

Context Window

Both models support the same context window of 128K tokens (approximately 64 pages of text). For output length, OpenAI: GPT-4o can generate up to 16K tokens per response vs 4K for OpenAI: GPT-4 Turbo Preview.

Best Use Cases

Choose OpenAI: GPT-4o when you need lower cost.

Choose OpenAI: GPT-4o if:

  • Budget is a concern ($2.50/1M vs $10/1M)
  • You need image understanding (Supports image input)

Frequently Asked Questions

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

OpenAI: GPT-4o is cheaper at $2.50/1M input tokens vs $10/1M for OpenAI: GPT-4 Turbo Preview.

Can OpenAI: GPT-4 Turbo Preview process images?

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

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

Both models have the same context window of 128K tokens.

Related Comparisons

Benchmark data by Artificial Analysis

Data last synced: March 2026