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GPT-5.4 vs Claude Sonnet 4.6 — Mid-Tier AI Pricing

GPT-5.4 is 17% cheaper on input with identical output pricing. Sonnet 4.6 has 2.5x more context. Compare the mid-tier OpenAI and Anthropic models side by side.

Pricing data verified: Jun 27, 2026

Cheapest Input
GPT-5.4
$2.50 vs $3.00 per 1M tokens
Best Context
Sonnet 4.6
1M vs 400K tokens
Best Value
GPT-5.4
17% cheaper input, same output

All Mid-Tier Models Compared

The mid-tier AI models from major providers, ranked by input price.

Model Provider Tier Input (per 1M) Output (per 1M) Context
Gemini 2.5 Pro Google Mid $1.25 $10.00 1M
Gemini 3.1 Pro Google Mid $2.00 $12.00 1M
GPT-5.4 OpenAI Mid $2.50 $15.00 400K
Claude Sonnet 4.6 Anthropic Mid $3.00 $15.00 1M
GPT-4o OpenAI Mid $2.50 $10.00 128K
Claude Haiku 4.5 Anthropic Budget $1.00 $5.00 200K

Calculate Your Exact Costs

Pick your models, enter your usage, see how much you'd save with GPT-5.4.

vs
OpenAI
GPT-5.4
$0.00
per month
Input cost $0.00
Output cost $0.00
Per request $0.00
Anthropic
Claude Sonnet 4.6
$0.00
per month
Input cost $0.00
Output cost $0.00
Per request $0.00
Enter your usage above to see savings.

Which Should You Choose?

Chatbot / Customer Support

High volume, short responses. Cost per message matters most. Both models handle complex customer queries well.

Pick GPT-5.4: At $2.50/$15.00 it's 17% cheaper on input. At 1M requests/month: $175 vs $180.

Code Generation

Complex reasoning, longer outputs. Quality and accuracy matter. Both handle most coding tasks well.

Pick GPT-5.4: 17% cheaper input at $2.50 vs $3.00. Strong coding capabilities for most code completion and generation tasks.

Long Document Analysis

Processing large documents, legal contracts, or codebases. Context window is critical.

Pick Sonnet 4.6: 1M context (2.5x more than GPT-5.4's 400K). Essential for large-scale document analysis and complex multi-step reasoning.

Complex Reasoning

Multi-step analysis, research tasks, and problems requiring deep logical reasoning across large information sets.

Pick Sonnet 4.6: Larger 1M context window enables better handling of complex multi-step reasoning tasks that span extensive information.

Creative Writing

Long-form content, nuanced storytelling, and tasks requiring superior style and voice.

Pick Sonnet 4.6: Anthropic's models excel at nuanced creative writing. The 1M context also helps maintain consistency across long-form content.

Enterprise / Safety-Critical

Regulated industries, strict compliance, Anthropic's safety guarantees required.

Pick Sonnet 4.6: Anthropic's safety-first approach and enterprise compliance. The premium is justified for regulated and safety-critical workloads.

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Frequently Asked Questions

Is GPT-5.4 cheaper than Claude Sonnet 4.6?

Yes, GPT-5.4 is slightly cheaper on input. GPT-5.4 costs $2.50/$15.00 per 1M tokens while Claude Sonnet 4.6 costs $3.00/$15.00. That's 17% cheaper on input with identical output pricing. At 1M tokens/month, GPT-5.4 costs $175 vs Sonnet 4.6's $180 — saving $5/month.

Which is better for coding: GPT-5.4 or Claude Sonnet 4.6?

Both are excellent for coding. GPT-5.4 at $2.50 input is 17% cheaper and handles code completion, refactoring, and generation well. Claude Sonnet 4.6 has a 1M context window (2.5x more than GPT-5.4's 400K), making it better for large codebases. Choose GPT-5.4 for cost-efficiency, Sonnet 4.6 for complex multi-file reasoning.

What is the context window difference between GPT-5.4 and Claude Sonnet 4.6?

GPT-5.4 has a 400K token context window, while Claude Sonnet 4.6 has a 1M token context window. Sonnet 4.6 supports 2.5x more context, which is important for long document analysis, large codebases, and complex multi-step reasoning tasks.

GPT-5.4 vs Claude Sonnet 4.6 for enterprise?

For enterprise use, both models are strong mid-tier options. GPT-5.4 offers 17% input cost savings at scale. Claude Sonnet 4.6 provides Anthropic's safety-first approach and a larger 1M context window. Choose GPT-5.4 for cost-sensitive deployments, Sonnet 4.6 for safety-critical workloads requiring larger context.

Is Claude Sonnet 4.6 worth the premium over GPT-5.4?

Claude Sonnet 4.6 is worth the small premium ($3.00 vs $2.50 input) for use cases requiring large context (1M vs 400K), Anthropic's safety guarantees, or nuanced long-form generation. For general-purpose tasks and cost-sensitive workloads, GPT-5.4 at 17% lower input cost provides better value.

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