CtrlAltDebrief

GPT-4 vs GPT-4o

API pricing, context window and capabilities for GPT-4 and GPT-4o, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

GPT-4o wins on price, on intelligence and on context window. Benchmark data is unavailable for one or both models.

Price
GPT-4o
Terminal-Bench
Not called
Intelligence
GPT-4o
Context window
GPT-4o

Key takeaways

who wins on what, from the published numbers

GPT-4 wins

No clear edge on the tracked metrics.

GPT-4o wins

  • Cheaper input ($30.00 vs $2.50 /1M)
  • Cheaper output ($60.00 vs $10.00 /1M)
  • Larger context window (8K vs 131K)
  • Higher max output (4K vs 16K)
  • More serving providers (3 vs 6)
  • Supports vision
  • Supports audio
  • Supports structured output
Cheaper overall
GPT-4o
$2.50 + $10.00 /1M
Larger context
GPT-4o
131K
More providers
GPT-4o
6 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
GPT-4GPT-4o
Input $/1M$30.00via OpenAI $2.50via OpenAI best
Output $/1M$60.00via OpenAI $10.00via OpenAI best
Context window8K 131K best
Max output4K 16K best
Serving providers3 6 best
DateReleased Nov 6, 2023 Released May 13, 2024

Benchmarks

Benchmark scores, side by side
GPT-4GPT-4o
Intelligence6.7 8.4 best
GPQA Diamond35% 54% best
Output speedNot available 150 t/s
Latency (TTFT)Not available 0.79s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
GPT-4
via Azure
$210
GPT-4o
via Gmi
$23

Capabilities

feature support, side by side
FeatureGPT-4GPT-4o
Vision—✓
Tool use✓✓
Reasoning——
Audio—✓
Prompt caching✓✓
Structured output—✓
Web search——

Related comparisons

Frequently asked questions

Which is cheaper, GPT-4 or GPT-4o?
GPT-4o is cheaper for input ($30.00 vs $2.50 per 1M tokens) from OpenAI. GPT-4o is cheaper for output ($60.00 vs $10.00 per 1M tokens) from OpenAI.
What is the context window difference between GPT-4 and GPT-4o?
GPT-4 has a 8K-token context window and GPT-4o has 131K tokens, so GPT-4o can take a larger prompt.
How do GPT-4 and GPT-4o compare on benchmarks?
On the tracked benchmarks, GPT-4o leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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