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Claude 3 Opus vs GPT-4o

Claude 3 Opus vs GPT-4o: GPT-4o is cheaper for input-heavy usage ($2.50/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 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
vs
OpenAI
GPT-4o

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

Per Request:$0.007500
Daily:$0.75
Monthly:$22.50
Yearly:$273.75

Cost Differences

$0.045
Per Request
$4.50
Daily
$135.00
Monthly
$1,642.50
Yearly

GPT-4o costs less than Claude 3 Opus

Quick Recommendation

Winner for direct API pricing: GPT-4o. At the default workload, GPT-4o saves about $135.00/month ($1,642.50/year) versus Claude 3 Opus.

Feature Comparison

FeatureClaude 3 OpusGPT-4o
ProviderAnthropicOpenAI
Input Price$15.00/1M tokens$2.50/1M tokens
Output Price$75.00/1M tokens$10.00/1M tokens
Context Window200,000 tokens128,000 tokens
Max Output4,096 tokens16,384 tokens
Categoryflagshipflagship
Capabilities
textvisionreasoning
textvisionaudio
Release Date3/4/20245/13/2024

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

Choosing between Claude 3 Opus and GPT-4o depends on your priorities: cost efficiency, context length, or raw capability. GPT-4o is the more affordable option at $2.50/1M input tokens83% 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.

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.

Both models are in the flagship category, making this a direct head-to-head comparison. At scale — say 10,000 requests per day — the cost difference adds up: GPT-4o would save you roughly $13,500.00/month compared to Claude 3 Opus. For startups and indie developers, that difference can be significant.

Output costs matter too. Claude 3 Opus charges $75.00/1M output tokens vs $10.00 for GPT-4o. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. GPT-4o has the edge here at $10.00/1M 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're already using Anthropic's API ecosystem

Choose GPT-4o when:

  • • Budget is a primary concern
  • • You need longer outputs (up to 16,384 tokens)
  • • You're already using OpenAI's API ecosystem

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
  • Higher output cost than GPT-4o

GPT-4o

  • Input pricing: $2.50/M tokens
  • Output pricing: $10.00/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)

GPT-4o (OpenAI)

Start using Claude 3 Opus today

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Start using GPT-4o today

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Frequently Asked Questions

Which is cheaper, Claude 3 Opus or GPT-4o?
GPT-4o is cheaper for input tokens at $2.50 per million tokens vs $15.00 for Claude 3 Opus — that's 83% savings on input costs.
What is the context window difference between Claude 3 Opus and GPT-4o?
Claude 3 Opus supports 200,000 tokens while GPT-4o 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 is the lower-cost option, while Claude 3 Opus offers a larger context window (200,000 vs 128,000 tokens). Choose GPT-4o 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 costs about $22.50/month. Overall, GPT-4o has lower combined input + output rates ($2.50 in, $10.00 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.

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