Claude 3 Opus vs GPT-4o mini

Claude 3 Opus vs GPT-4o mini: GPT-4o mini is cheaper for input-heavy usage ($0.15/M vs $15.00/M input tokens), while Claude 3 Opus is better for long-context tasks (200,000 tokens).

Direct answer: choose GPT-4o mini for lower token spend and choose Claude 3 Opus when your workload needs longer context.

Compare input and output token pricing, context windows, and monthly cost estimates on one page so you can pick the cheaper model fast.

Anthropic

Claude 3 Opus

OpenAI

GPT-4o mini

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Claude 3 Opus pricing page GPT-4o mini pricing page Anthropic provider overview OpenAI provider overview

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Claude 3 Opus

Per Request:$0.0525

Daily:$5.25

Monthly:$157.50

Yearly:$1,916.25

GPT-4o mini

Per Request:$0.000450

Daily:$0.045

Monthly:$1.35

Yearly:$16.425

Cost Differences

$0.05205

Per Request

$5.205

Daily

$156.15

Monthly

$1,899.825

Yearly

GPT-4o mini costs less than Claude 3 Opus

Quick Recommendation

Winner for direct API pricing: GPT-4o mini. At the default workload, GPT-4o mini saves about $156.15/month ($1,899.825/year) versus Claude 3 Opus.

Claude 3 Opus full pricing breakdown GPT-4o mini full pricing breakdown Anthropic API pricing details OpenAI API pricing details Anthropic vs OpenAI API pricing Codex Mini vs o4-mini Deep Research Codex Mini vs o3 Deep Research

Feature Comparison

Feature	Claude 3 Opus	GPT-4o mini
Provider	Anthropic	OpenAI
Input Price	$15.00/1M tokens	$0.15/1M tokens
Output Price	$75.00/1M tokens	$0.60/1M tokens
Context Window	200,000 tokens	128,000 tokens
Max Output	4,096 tokens	16,384 tokens
Category	flagship	efficient
Capabilities	textvisionreasoning	textvision
Release Date	3/4/2024	7/18/2024

Claude 3 Opus vs GPT-4o mini: Which Should You Choose?

Choosing between Claude 3 Opus and GPT-4o mini depends on your priorities: cost efficiency, context length, or raw capability. GPT-4o mini is the more affordable option at $0.15/1M input tokens — 99% cheaper than Claude 3 Opus. Meanwhile, Claude 3 Opus offers a significantly larger context window at 200,000 tokens vs 128,000 for GPT-4o mini.

These models come from different providers — Anthropic and OpenAI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Anthropic, switching to OpenAIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Claude 3 Opus is a flagship model while GPT-4o mini is efficient. This means they're optimized for different workloads. Claude 3 Opus is built for complex tasks that require deeper reasoning, while GPT-4o mini offers better value for routine operations.

Output costs matter too. Claude 3 Opus charges $75.00/1M output tokens vs $0.60 for GPT-4o mini. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-4o mini has the edge here at $0.60/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose Claude 3 Opus when:

• You need a larger context window (200,000 tokens)
• You need more capabilities (reasoning)
• You're already using Anthropic's API ecosystem

Choose GPT-4o mini when:

• Budget is a primary concern
• You need longer outputs (up to 16,384 tokens)
• You're already using OpenAI's API ecosystem
• You're running high-volume, latency-sensitive workloads

Pros and Caveats at a Glance

Claude 3 Opus

• Input pricing: $15.00/M tokens
• Output pricing: $75.00/M tokens
• Context window: 200,000 tokens
• Max output: 4,096 tokens

Watch out for

• Higher input cost than GPT-4o mini
• Higher output cost than GPT-4o mini

GPT-4o mini

• Input pricing: $0.15/M tokens
• Output pricing: $0.60/M tokens
• Context window: 128,000 tokens
• Max output: 16,384 tokens

Watch out for

• Smaller context window than Claude 3 Opus

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Claude 3 Opus (Anthropic)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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GPT-4o mini (OpenAI)

Cost Calculator

Provider

Model

Input Tokens

Output Tokens

Requests/Day

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Start using Claude 3 Opus today

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Frequently Asked Questions

Which is cheaper, Claude 3 Opus or GPT-4o mini?▼

GPT-4o mini is cheaper for input tokens at $0.15 per million tokens vs $15.00 for Claude 3 Opus — that's 99% savings on input costs.

What is the context window difference between Claude 3 Opus and GPT-4o mini?▼

Claude 3 Opus supports 200,000 tokens while GPT-4o mini supports 128,000 tokens — a difference of 72,000 tokens in favor of Claude 3 Opus.

Which model is better for AI Chatbot?▼

Both models support text. For ai chatbot, GPT-4o mini is the lower-cost option, while Claude 3 Opus offers a larger context window (200,000 vs 128,000 tokens). Choose GPT-4o mini for budget sensitivity or Claude 3 Opus for longer context tasks.

Which model has better overall pricing for heavy usage?▼

At 100 requests/day with 1,000 input and 500 output tokens each, Claude 3 Opus costs about $157.50/month and GPT-4o mini costs about $1.35/month. Overall, GPT-4o mini has lower combined input + output rates ($0.15 in, $0.60 out) vs Claude 3 Opus.

Where can I compare Anthropic and OpenAI API pricing beyond this model matchup?▼

See the Anthropic vs OpenAI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.