TokenPrice

Head-to-Head Pricing Benchmark

OpenAI: GPT-5 Pro vs Anthropic: Claude Opus 4.1

Side-by-side pricing and context window comparison for production model selection.

Input delta: $0.00Output delta: $45Monthly delta: $2,700

Default Recommendation (120M input + 60M output)

Anthropic: Claude Opus 4.1 is lower-cost for the default monthly workload scenario.

Adjust the workload in the calculator below to see a live recommendation for your usage.

MetricOpenAI: GPT-5 ProAnthropic: Claude Opus 4.1
Developeropenaianthropic
Context Window400,000200,000
Input Cost / 1M Tokens$15.00$15.00
Output Cost / 1M Tokens$120.00$75.00
Projected Monthly Cost$9,000$6,300
Vision✅ Yes✅ Yes
Tool Calling✅ Yes✅ Yes
Structured Output✅ Yes✅ Yes
Reasoning✅ Yes✅ Yes
MMLU ScoreN/AN/A

Price History

OpenAI: GPT-5 Pro Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
$15.00$67.50$120.00Mar 7Mar 8Mar 9Mar 10Mar 11

Current Input / 1M

$15.00

Current Output / 1M

$120.00

Price History

Anthropic: Claude Opus 4.1 Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7 — Mar 11
$15.00$45.00$75.00Mar 7Mar 8Mar 9Mar 10Mar 11

Current Input / 1M

$15.00

Current Output / 1M

$75.00

Cost Calculator

Adjust your workload to see projected monthly costs.

01.0B
0500M

OpenAI: GPT-5 Pro

$9,000

per month

Anthropic: Claude Opus 4.1

$6,300

per month

Lower cost

Live Recommendation

Anthropic: Claude Opus 4.1 is lower-cost at 120M input + 60M output tokens/month.

Anthropic: Claude Opus 4.1 saves $2,700/mo at this workload
Open OpenAI: GPT-5 Pro model pageOpen Anthropic: Claude Opus 4.1 model page

Compare More Alternatives

Continue evaluation with more “A vs B pricing” decision pages.

OpenAI: GPT-5 Pro vs Anthropic: Claude Opus 4OpenAI: GPT-5 Pro vs OpenAI: o1OpenAI: GPT-5 Pro vs OpenAI: GPT-4 TurboOpenAI: GPT-5 Pro vs OpenAI: GPT-4 Turbo (older v1106)

Quick Compare

Compare Any Two Models

Select two models to see a head-to-head pricing breakdown.

FAQ

Common questions for OpenAI: GPT-5 Pro vs Anthropic: Claude Opus 4.1 pricing decisions.

Which is cheaper for input tokens: OpenAI: GPT-5 Pro or Anthropic: Claude Opus 4.1?

OpenAI: GPT-5 Pro is cheaper or equal on input token cost by $0.00 per 1M tokens.

Which is cheaper for output tokens: OpenAI: GPT-5 Pro or Anthropic: Claude Opus 4.1?

Anthropic: Claude Opus 4.1 is cheaper on output token cost by $45 per 1M tokens.

What is the projected monthly cost difference between OpenAI: GPT-5 Pro and Anthropic: Claude Opus 4.1?

$2,700 difference for the default scenario (120M input + 60M output tokens/month).

How should I choose between OpenAI: GPT-5 Pro and Anthropic: Claude Opus 4.1?

Use this page to compare context window and token pricing, then open each model page to evaluate additional alternatives and monthly workload fit.