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Anthropic: Claude 3.7 Sonnet vs Qwen: Qwen3.5 397B A17B

Head-to-head API cost, context, and performance comparison. Synced at 2:34:24 PM.

Executive Summary

When evaluating Anthropic: Claude 3.7 Sonnet against Qwen: Qwen3.5 397B A17B, the pricing structure is a key differentiator. Qwen: Qwen3.5 397B A17B is approximately 85% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, Anthropic: Claude 3.7 Sonnet leads with a statistical ELO score of 1451. For tasks involving complex logic, coding, or instruction-following, developers might prefer Anthropic: Claude 3.7 Sonnet, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
Anthropic: Claude 3.7 Sonnet
Qwen: Qwen3.5 397B A17B
Performance (ELO)
1451
1450
Input Cost / 1M
$3.00
$0.39
Output Cost / 1M
$15.00
$2.34
Context Window
200,000 tokens
262,144 tokens

Verdict

If you are looking for pure performance and capability, Anthropic: Claude 3.7 Sonnet is statistically superior. However, if API burn rate is the primary concern, Qwen: Qwen3.5 397B A17B wins out aggressively in pricing.

People Also Ask

Is Anthropic: Claude 3.7 Sonnet cheaper than Qwen: Qwen3.5 397B A17B?

No. Qwen: Qwen3.5 397B A17B is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

The Qwen: Qwen3.5 397B A17B model has the advantage in memory, offering a massive 262,144 token limit for document ingestion.

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