Head-to-Head Pricing Benchmark

Anthropic: Claude 3.5 Sonnet vs OpenAI: GPT-4o (extended)

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

Input delta: $0.00Output delta: $12Monthly delta: $720

Default Recommendation (120M input + 60M output)

OpenAI: GPT-4o (extended) is lower-cost for the default monthly workload scenario.

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

MetricAnthropic: Claude 3.5 SonnetOpenAI: GPT-4o (extended)
Developeranthropicopenai
Context Window200,000128,000
Input Cost / 1M Tokens$6.00$6.00
Output Cost / 1M Tokens$30.00$18.00
Projected Monthly Cost$2,520$1,800
Vision✅ Yes✅ Yes
Tool Calling✅ Yes✅ Yes
Structured Output❌ No✅ Yes
Reasoning❌ No❌ No
MMLU ScoreN/AN/A

Price History

Anthropic: Claude 3.5 Sonnet Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7Mar 11
$6.00$18.00$30.00Mar 7Mar 8Mar 9Mar 10Mar 11

Current Input / 1M

$6.00

Current Output / 1M

$30.00

Price History

OpenAI: GPT-4o (extended) Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7Mar 11
$6.00$12.00$18.00Mar 7Mar 8Mar 9Mar 10Mar 11

Current Input / 1M

$6.00

Current Output / 1M

$18.00

Cost Calculator

Adjust your workload to see projected monthly costs.

01.0B
0500M

Anthropic: Claude 3.5 Sonnet

$2,520

per month

OpenAI: GPT-4o (extended)

$1,800

per month

Lower cost

Live Recommendation

OpenAI: GPT-4o (extended) is lower-cost at 120M input + 60M output tokens/month.

OpenAI: GPT-4o (extended) saves $720/mo at this workload
Open Anthropic: Claude 3.5 Sonnet model pageOpen OpenAI: GPT-4o (extended) model page

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FAQ

Common questions for Anthropic: Claude 3.5 Sonnet vs OpenAI: GPT-4o (extended) pricing decisions.

Which is cheaper for input tokens: Anthropic: Claude 3.5 Sonnet or OpenAI: GPT-4o (extended)?

Anthropic: Claude 3.5 Sonnet is cheaper or equal on input token cost by $0.00 per 1M tokens.

Which is cheaper for output tokens: Anthropic: Claude 3.5 Sonnet or OpenAI: GPT-4o (extended)?

OpenAI: GPT-4o (extended) is cheaper on output token cost by $12 per 1M tokens.

What is the projected monthly cost difference between Anthropic: Claude 3.5 Sonnet and OpenAI: GPT-4o (extended)?

$720 difference for the default scenario (120M input + 60M output tokens/month).

How should I choose between Anthropic: Claude 3.5 Sonnet and OpenAI: GPT-4o (extended)?

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