xAI: Grok 4.5 vs Qwen3 Coder Flash
Compare xAI: Grok 4.5 by xAI against Qwen3 Coder Flash by Qwen, context windows of 500K vs 128K, tested across 54 shared challenges.
Our Verdict
xAI: Grok 4.5
Qwen3 Coder FlashRunner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Qwen3 Coder Flash is 4.0x cheaper per token — worth considering if cost matters.
Slight edge
API pricing
Cost per 1M tokens
xAI: Grok 4.5
Input
$2.00
Output
$6.00
Qwen3 Coder Flash
Input
$0.30
6.7× cheaper
Output
$1.50
4.0× cheaper
Qwen3 Coder Flash is cheaper on both — 6.7× input, 4.0× output
Writing DNA
Style Comparison
Similarity
40%
xAI: Grok 4.5 uses 9.0x more emoji
xAI: Grok 4.5
Qwen3 Coder Flash
61%Vocabulary60%
16wSentence Length92w
0.23Hedging0.60
2.5Bold6.1
2.4Lists6.2
0.09Emoji0.00
0.48Headings1.64
0.06Transitions0.18
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
