Claude 4 Opus vs GPT-4.1

API pricing, context window and capabilities for Claude 4 Opus and GPT-4.1, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.

Verdict

computed from the published numbers

Claude 4 Opus wins on intelligence. GPT-4.1 wins on price and on context window. Benchmark data is unavailable for one or both models.

Price
GPT-4.1
Coding
Not called
Intelligence
Claude 4 Opus
Context window
GPT-4.1

Key takeaways

who wins on what, from the published numbers

Claude 4 Opus wins

  • Higher max output (200K vs 33K)
  • Has reasoning mode

GPT-4.1 wins

  • Cheaper input ($5.00 vs $2.00 /1M)
  • Cheaper output ($25.00 vs $8.00 /1M)
  • Larger context window (200K vs 1M)
  • More serving providers (3 vs 5)
  • Has web search
Cheaper overall
GPT-4.1
$2.00 + $8.00 /1M
Larger context
GPT-4.1
1M
More providers
GPT-4.1
5 providers

Pricing & specs

cheapest serving route · per 1M tokens
Claude 4 OpusGPT-4.1
Input $/1M$5.00 $2.00 best
Output $/1M$25.00 $8.00 best
Context window200K 1M best
Max output200K best33K
Serving providers3 5 best
Releasedn/a n/a

Benchmarks

Artificial Analysis indices, side by side
Claude 4 OpusGPT-4.1
Intelligence25.5 best19.4
GPQA Diamond70% best67%
Output speedNot available 85 t/s
Latency (TTFT)Not available 5.28s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
Claude 4 Opus
via Snowflake
$50
GPT-4.1
via Azure
$18

Capabilities

feature support, side by side
FeatureClaude 4 OpusGPT-4.1
Vision
Tool use
Reasoning
Audio
Prompt caching
Structured output
Web search

Related comparisons

Frequently asked questions

Which is cheaper, Claude 4 Opus or GPT-4.1?
GPT-4.1 is cheaper for input ($5.00 vs $2.00 per 1M tokens). GPT-4.1 is cheaper for output ($25.00 vs $8.00 per 1M tokens).
What is the context window difference between Claude 4 Opus and GPT-4.1?
Claude 4 Opus has a 200K-token context window and GPT-4.1 has 1M tokens, so GPT-4.1 can take a larger prompt.
How do Claude 4 Opus and GPT-4.1 compare on benchmarks?
On the tracked Artificial Analysis indices, Claude 4 Opus leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily

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