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GPT-4o mini vs Claude Sonnet 4.6

GPT-4o mini vs Claude Sonnet 4.6: GPT-4o mini is cheaper for input-heavy usage ($0.15/M vs $3.00/M input tokens), while Claude Sonnet 4.6 is better for long-context tasks (1,000,000 tokens).

Direct answer: choose GPT-4o mini for lower token spend and choose Claude Sonnet 4.6 when your workload needs longer context.

Common pricing searches covered on this page: GPT-4o mini vs Claude Sonnet 4.6 • GPT-4o mini vs Claude Sonnet 4.6 pricing • GPT-4o mini vs Claude Sonnet 4.6 API pricing and 4o mini vs sonnet 4 6 pricing.

OpenAI
GPT-4o mini
vs
Anthropic
Claude Sonnet 4.6

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

GPT-4o mini

Per Request:$0.000450
Daily:$0.045
Monthly:$1.35
Yearly:$16.425

Claude Sonnet 4.6

Per Request:$0.0105
Daily:$1.05
Monthly:$31.50
Yearly:$383.25

Cost Differences

+$0.01005
Per Request
+$1.005
Daily
+$30.15
Monthly
+$366.825
Yearly

Claude Sonnet 4.6 costs more than GPT-4o mini

Quick Recommendation

Winner for direct API pricing: GPT-4o mini. At the default workload, GPT-4o mini saves about $30.15/month ($366.825/year) versus Claude Sonnet 4.6.

Feature Comparison

FeatureGPT-4o miniClaude Sonnet 4.6
ProviderOpenAIAnthropic
Input Price$0.15/1M tokens$3.00/1M tokens
Output Price$0.60/1M tokens$15.00/1M tokens
Context Window128,000 tokens1,000,000 tokens
Max Output16,384 tokens65,536 tokens
Categoryefficientbalanced
Capabilities
textvision
textvisioncodereasoningcomputer-use
Release Date7/18/20242/18/2026

GPT-4o mini vs Claude Sonnet 4.6: Which Should You Choose?

Choosing between GPT-4o mini and Claude Sonnet 4.6 depends on your priorities: cost efficiency, context length, or raw capability. GPT-4o mini is the more affordable option at $0.15/1M input tokens95% cheaper than Claude Sonnet 4.6. Meanwhile, Claude Sonnet 4.6 offers a significantly larger context window at 1,000,000 tokens vs 128,000 for GPT-4o mini.

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

These models target different tiers: GPT-4o mini is a efficient model while Claude Sonnet 4.6 is balanced. This means they're optimized for different workloads. Claude Sonnet 4.6 targets more demanding workloads, while GPT-4o mini provides a cost-effective option for everyday tasks.

Output costs matter too. GPT-4o mini charges $0.60/1M output tokens vs $15.00 for Claude Sonnet 4.6. 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 GPT-4o mini when:

  • • Budget is a primary concern
  • • You're already using OpenAI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Choose Claude Sonnet 4.6 when:

  • • You need a larger context window (1,000,000 tokens)
  • • You need more capabilities (code, reasoning, computer-use)
  • • You need longer outputs (up to 65,536 tokens)
  • • You're already using Anthropic's API ecosystem

Pros and Caveats at a Glance

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 Sonnet 4.6

Claude Sonnet 4.6

  • Input pricing: $3.00/M tokens
  • Output pricing: $15.00/M tokens
  • Context window: 1,000,000 tokens
  • Max output: 65,536 tokens

Watch out for

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

Try Different Scenarios

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

GPT-4o mini (OpenAI)

Claude Sonnet 4.6 (Anthropic)

Start using GPT-4o mini today

Sign Up for OpenAI

Start using Claude Sonnet 4.6 today

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Frequently Asked Questions

Which is cheaper, GPT-4o mini or Claude Sonnet 4.6?
GPT-4o mini is cheaper for input tokens at $0.15 per million tokens vs $3.00 for Claude Sonnet 4.6 — that's 95% savings on input costs.
What is the context window difference between GPT-4o mini and Claude Sonnet 4.6?
GPT-4o mini supports 128,000 tokens while Claude Sonnet 4.6 supports 1,000,000 tokens — a difference of 872,000 tokens in favor of Claude Sonnet 4.6.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, GPT-4o mini is the lower-cost option, while Claude Sonnet 4.6 offers a larger context window (1,000,000 vs 128,000 tokens). Choose GPT-4o mini for budget sensitivity or Claude Sonnet 4.6 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, GPT-4o mini costs about $1.35/month and Claude Sonnet 4.6 costs about $31.50/month. Overall, GPT-4o mini has lower combined input + output rates ($0.15 in, $0.60 out) vs Claude Sonnet 4.6.
Where can I compare OpenAI and Anthropic API pricing beyond this model matchup?
See the OpenAI vs Anthropic provider comparison page for lineup-level averages, then review each model page for exact per-token rates.

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