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Anthropic

Claude Sonnet 4.6

VS
OpenAI

GPT-5.4 mini

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, GPT-5.4 mini is the premium intelligence choice, scoring 54.4% higher on coding benchmarks. It also maintains strong cost efficiency. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Claude Sonnet 4.6 offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of GPT-5.4 mini fully justifies the cost.

Model Specs

Claude Sonnet 4.6

Benchmarks & Scores

Coding (swe-bench-pro)
N/A
Reasoning (gpqa-diamond)
79.9%

Cost & Performance

Cost (per 1M tokens)
$6.00Input: $3.00 | Output: $15.00
Speed
54.3 tps
Context WindowLarger
1M tokens
Model Specs

GPT-5.4 mini

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+)
54.4%
Reasoning (gpqa-diamond)Winner (+7.6%)
87.5%

Cost & Performance

Cost (per 1M tokens)3.6x cheaper
$1.69Input: $0.75 | Output: $4.50
Speed3.7x faster
201 tps
Context Window
400k tokens
Read our data collection methodology

Frequently Asked Questions

GPT-5.4 mini is cheaper than Claude Sonnet 4.6. GPT-5.4 mini has a blended cost of $1.69/1M tokens, which is about 3.6x cheaper than Claude Sonnet 4.6 at $6.00/1M tokens.

GPT-5.4 mini is faster than Claude Sonnet 4.6. GPT-5.4 mini generates 201 tokens per second (tps) compared to Claude Sonnet 4.6 which generates 54.3 tokens per second.

GPT-5.4 mini is better for coding tasks. It scores 54.4% on coding evaluations (swe-bench-pro) compared to Claude Sonnet 4.6 which scores N/A.

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