Claude 3.7 Sonnet vs GPT-4o

API pricing, context window and capabilities for Claude 3.7 Sonnet 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

Claude 3.7 Sonnet wins on intelligence and on context window. GPT-4o wins on price. Benchmark data is unavailable for one or both models.

Price
GPT-4o
Terminal-Bench
Not called
Intelligence
Claude 3.7 Sonnet
Context window
Claude 3.7 Sonnet

Key takeaways

who wins on what, from the published numbers

Claude 3.7 Sonnet wins

  • Larger context window (200K vs 131K)
  • Higher max output (64K vs 16K)
  • Has reasoning mode

GPT-4o wins

  • Cheaper input ($3.00 vs $2.50 /1M)
  • Cheaper output ($15.00 vs $10.00 /1M)
  • More serving providers (5 vs 6)
  • Supports audio
Cheaper overall
GPT-4o
$2.50 + $10.00 /1M
Larger context
Claude 3.7 Sonnet
200K
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.
Claude 3.7 SonnetGPT-4o
Input $/1M$3.00via Databricks $2.50via OpenAI best
Output $/1M$15.00via Replicate $10.00via OpenAI best
Context window200K best131K
Max output64K best16K
Serving providers5 6 best
DateReleased Feb 24, 2025 Released May 13, 2024

Benchmarks

Benchmark scores, side by side
Claude 3.7 SonnetGPT-4o
Intelligence15.3 best8.4
GPQA Diamond66% best54%
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
Claude 3.7 Sonnet
via Databricks
$30
GPT-4o
via Gmi
$23

Capabilities

feature support, side by side
FeatureClaude 3.7 SonnetGPT-4o
Vision✓✓
Tool use✓✓
Reasoning✓—
Audio—✓
Prompt caching✓✓
Structured output✓✓
Web search——

Related comparisons

Frequently asked questions

Which is cheaper, Claude 3.7 Sonnet or GPT-4o?
GPT-4o is cheaper for input ($3.00 vs $2.50 per 1M tokens) from OpenAI. GPT-4o is cheaper for output ($15.00 vs $10.00 per 1M tokens) from OpenAI.
What is the context window difference between Claude 3.7 Sonnet and GPT-4o?
Claude 3.7 Sonnet has a 200K-token context window and GPT-4o has 131K tokens, so Claude 3.7 Sonnet can take a larger prompt.
How do Claude 3.7 Sonnet and GPT-4o compare on benchmarks?
On the tracked benchmarks, Claude 3.7 Sonnet leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Sep 22, 2026

Every weekday

AI moves fast. Here's your debrief.

News, analysis, tools, and more.

For people who build with AI