Claude Opus 4.8 vs DeepSeek V4 Flash 0731

01Differences

At a glance

Computed automatically from tracked data.

• Claude Opus 4.8's input price is 5% higher than DeepSeek V4 Flash 0731's ($0.42 vs $0.45 per 1M).
• Claude Opus 4.8's output price is 37% lower than DeepSeek V4 Flash 0731's ($2.13 vs $1.34 per 1M).
• Claude Opus 4.8 has a 1× larger context window (1,048,576 vs 1,000,000 tokens).
• They differ in open weights (Claude Opus 4.8: No, DeepSeek V4 Flash 0731: Yes).
02Specs

Side by side

Claude Opus 4.8DeepSeek V4 Flash 0731
Input / 1M$0.42$0.45
Output / 1M$2.13$1.34
Context1,048,5761,000,000
Max output128,000384,000
Providers441
Released2026-05-282026-07-31
04History

Recent changes

Claude Opus 4.8
2026-09-15Price up amazon-bedrock
2026-09-15Price up amazon-bedrock
2026-09-15Price up amazon-bedrock
2026-09-15Price up amazon-bedrock
2026-09-15Price up amazon-bedrock
DeepSeek V4 Flash 0731
2026-08-26Added volcengine
as of 2026-09-16
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