Price Per TokenPrice Per Token
Anthropic
Anthropic
vs
OpenAI
OpenAI

Claude Opus 4.1 vs o3 Pro

A detailed comparison of pricing, benchmarks, and capabilities

OpenClaw

Best LLMs for OpenClaw Vote for which model works best with OpenClaw

112 out of our 301 tracked models have had a price change in February.

Get our weekly newsletter on pricing changes, new releases, and tools.

Key Takeaways

Claude Opus 4.1 wins:

  • Cheaper input tokens
  • Cheaper output tokens
  • Faster response time

o3 Pro wins:

  • Higher intelligence benchmark
Price Advantage
Claude Opus 4.1
Benchmark Advantage
o3 Pro
Context Window
o3 Pro
Speed
Claude Opus 4.1

Pricing Comparison

Price Comparison

MetricClaude Opus 4.1o3 ProWinner
Input (per 1M tokens)$15.00$20.00 Claude Opus 4.1
Output (per 1M tokens)$75.00$80.00 Claude Opus 4.1
Cache Read (per 1M)$1500000.00N/A Claude Opus 4.1
Cache Write (per 1M)$18750000.00N/A Claude Opus 4.1
Using a 3:1 input/output ratio, Claude Opus 4.1 is 14% cheaper overall.

Claude Opus 4.1 Providers

Amazon Bedrock $15.00 (Cheapest)
Google $15.00 (Cheapest)
Anthropic $15.00 (Cheapest)

o3 Pro Providers

OpenAI $20.00 (Cheapest)
Azure $20.00 (Cheapest)

Benchmark Comparison

3
Benchmarks Compared
0
Claude Opus 4.1 Wins
1
o3 Pro Wins

Benchmark Scores

BenchmarkClaude Opus 4.1o3 ProWinner
Intelligence Index
Overall intelligence score
23.640.7
GPQA
Graduate-level science
-84.5-
Aider
Real-world code editing
-84.9-
o3 Pro wins 1 out of 3 benchmarks.

Cost vs Quality

X-axis:
Y-axis:
Loading chart...
Other models

Context & Performance

Context Window

Claude Opus 4.1
200,000
tokens
Max output: 32,000 tokens
o3 Pro
200,000
tokens
Max output: 100,000 tokens

Speed Performance

MetricClaude Opus 4.1o3 ProWinner
Tokens/second40.1 tok/s25.9 tok/s
Time to First Token1.45s122.42s
Claude Opus 4.1 responds 55% faster on average.

Capabilities

Feature Comparison

FeatureClaude Opus 4.1o3 Pro
Vision (Image Input)
Tool/Function Calls
Reasoning Mode
Audio Input
Audio Output
PDF Input
Prompt Caching
Web Search

License & Release

PropertyClaude Opus 4.1o3 Pro
LicenseProprietaryProprietary
AuthorAnthropicOpenAI
ReleasedAug 2025Jun 2025

Claude Opus 4.1 Modalities

Input
imagetextfile
Output
text

o3 Pro Modalities

Input
textfileimage
Output
text

Related Comparisons

Compare Claude Opus 4.1 with:

Compare o3 Pro with:

Frequently Asked Questions

Claude Opus 4.1 has cheaper input pricing at $15.00/M tokens. Claude Opus 4.1 has cheaper output pricing at $75.00/M tokens.
Claude Opus 4.1 scores higher on coding benchmarks with a score of N/A, compared to o3 Pro's score of N/A.
Claude Opus 4.1 has a 200,000 token context window, while o3 Pro has a 200,000 token context window.
Claude Opus 4.1 supports vision. o3 Pro supports vision.