Comparing 2 models

Claude Opus 4.5 vs DeepSeek V4 Flash

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric
Model 1Claude Opus 4.5
Model 2DeepSeek V4 Flash
Best for
Tool & Function Calling (#1)
Structured Data Extraction (#2)
Provider
anthropic
deepseek
Context
200K
1.0MBest
Input / 1M
$5
$0.14Best
Output / 1M
$25
$0.28Best
Tool use
yesBest
yesBest
Vision
yesBest
Reasoning
yesBest
yesBest
Open-weight
yesBest
Released
Nov 1, 2025
Apr 23, 2026