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Anthropic: Claude Opus 4.6 vs OpenAI: GPT-5.4 Nano

Head-to-head API cost, context, and performance comparison. Synced at 8:43:50 PM.

Executive Summary

When evaluating Anthropic: Claude Opus 4.6 against OpenAI: GPT-5.4 Nano, the pricing structure is a key differentiator. OpenAI: GPT-5.4 Nano is approximately 95% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, OpenAI: GPT-5.4 Nano leads with a statistical ELO score of 1565. For tasks involving complex logic, coding, or instruction-following, developers might prefer OpenAI: GPT-5.4 Nano, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
Anthropic: Claude Opus 4.6
OpenAI: GPT-5.4 Nano
Performance (ELO)
1565
1565
Input Cost / 1M
$5.00
$0.20
Output Cost / 1M
$25.00
$1.25
Context Window
1,000,000 tokens
400,000 tokens

Verdict

If you are looking for pure performance and capability, Tie is statistically superior. However, if API burn rate is the primary concern, OpenAI: GPT-5.4 Nano wins out aggressively in pricing.

People Also Ask

Is Anthropic: Claude Opus 4.6 cheaper than OpenAI: GPT-5.4 Nano?

No. OpenAI: GPT-5.4 Nano is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

The Anthropic: Claude Opus 4.6 model has the advantage in memory, offering a massive 1,000,000 token limit for document ingestion.

Related Comparisons

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