How much cheaper is GPT-5 mini than Claude Sonnet 5?

GPT-5 mini costs $0.25/$2 per 1M tokens while Claude Sonnet 5 costs $3/$15. GPT-5 mini is 92% cheaper on input and 87% cheaper on output. For 1M input + 500K output tokens/month, GPT-5 mini costs $1.25 vs Sonnet 5's $10.50 — saving $9.25/month.

Is Claude Sonnet 5 worth 8x the cost of GPT-5 mini?

Claude Sonnet 5 at $3/$15 offers Anthropic's latest model quality with 1M context. GPT-5 mini at $0.25/$2 is 88% cheaper with 272K context. Choose Sonnet 5 for larger context and Anthropic's quality. Choose GPT-5 mini for budget-conscious workloads.

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Mid Budget

Claude Sonnet 5 vs GPT-5 mini

Mid-tier meets budget. GPT-5 mini at $0.25/$2 is 88% cheaper than Sonnet 5 at $3/$15 — but Sonnet 5 offers 3.7x larger context (1M vs 272K). Which model gives you the best value?

Pricing data verified: Jul 1, 2026

Specification	Claude Sonnet 5 (Anthropic)	GPT-5 mini (OpenAI)
Input Price (per 1M tokens)	$3.00	$0.25
Output Price (per 1M tokens)	$15.00	$2.00
Context Window	1M tokens	272K tokens
Tier	Mid	Budget
Provider	Anthropic	OpenAI

Calculate Your Exact Costs

See how much you can save with GPT-5 mini — or whether Sonnet 5's larger context and premium quality justify 8x higher cost.

Input Tokens per Request

Output Tokens per Request

Requests per Day

Days per Month

Anthropic

Claude Sonnet 5

$0.00

per month

Input cost

Output cost

Cost per request

Requests/month

OpenAI

GPT-5 mini

$0.00

per month

Input cost

Output cost

Cost per request

Requests/month

Which Model for Which Use Case?

Budget-Conscious Workloads

High-volume batch processing, data extraction, content moderation. GPT-5 mini at $0.25/$2 is 88% cheaper, making it the clear winner for cost-sensitive workloads.

Better value: GPT-5 mini

Long Context Tasks

Processing large documents, codebases, or multi-file analysis. Sonnet 5's 1M context is 3.7x larger than GPT-5 mini's 272K, making it essential for tasks that need massive context windows.

Better value: Sonnet 5

Code Generation

Writing, debugging, refactoring code. Both models produce excellent code. GPT-5 mini at $0.25/$2 is 88% cheaper, but Sonnet 5's larger context helps with complex multi-file projects.

Simple tasks: GPT-5 mini | Complex projects: Sonnet 5

Content Generation

Blog posts, documentation, marketing copy. GPT-5 mini at $0.25/$2 is 88% cheaper, making it the better value for content-heavy workloads where quality is sufficient.

Better value: GPT-5 mini

Choosing between Anthropic and OpenAI?

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Frequently Asked Questions

How much cheaper is GPT-5 mini?

GPT-5 mini costs $0.25/$2 per 1M tokens vs Sonnet 5 at $3/$15 — 92% cheaper on input and 87% cheaper on output. At 1M input + 500K output tokens/month, that's $1.25 vs $10.50, saving $9.25/month.

Is Sonnet 5 worth 8x the cost of GPT-5 mini?

Sonnet 5 at $3/$15 offers Anthropic's latest model quality with 1M context (3.7x larger than GPT-5 mini's 272K). For tasks requiring massive context windows or Anthropic's specific capabilities, the 8x premium may be justified.

When should I use GPT-5 mini over Sonnet 5?

Choose GPT-5 mini ($0.25/$2) for budget-conscious workloads where 272K context is sufficient. Choose Sonnet 5 ($3/$15) for tasks requiring 1M context or when Anthropic's model quality is preferred.