token.app › Compare › Qwen2.5 72B Instruct vs Grok 4.5
Qwen2.5 72B Instruct vs Grok 4.5
Grok 4.5 leads on 2 of 2 shared benchmarks. Qwen2.5 72B Instruct is 8.1× cheaper per token on a blended 3:1 basis. Grok 4.5 accepts the larger context window (500K).
Head to head
Blended price uses a 3:1 input:output mix
| Qwen2.5 72B Instruct | Grok 4.5 | |
|---|---|---|
| Provider | Alibaba | xAI |
| Input $/1M | $0.360 | $2.00 |
| Output $/1M | $0.400 | $6.00 |
| Blended $/1M | $0.370 | $3.00 |
| Context window | 33K | 500K |
| Max output | 16K | — |
| Released | Sep 2024 | Jul 2026 |
| Licence | Open weights | Proprietary |
| GPQA Diamond | 49.1% | 93.4% |
| OTIS Mock AIME | 8.1% | 97.8% |
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Qwen2.5 72B Instruct if…
- Costs less per token — $0.370 vs $3.00 blended
- Open weights — self-hostable
Choose Grok 4.5 if…
- Higher GPQA Diamond (93.4% vs 49.1%)
- Higher OTIS Mock AIME (97.8% vs 8.1%)
- Larger context window (500K)
- Newer model (released Jul 2026)
FAQ
Which is better, Qwen2.5 72B Instruct or Grok 4.5?
Across the 2 benchmarks both models have independently-run scores for, Qwen2.5 72B Instruct leads on 0 and Grok 4.5 leads on 2. Benchmarks are one input — price and context window are on this page too.
Is Qwen2.5 72B Instruct cheaper than Grok 4.5?
Qwen2.5 72B Instruct is cheaper: $0.370 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.360 vs $2.00. Output alone: $0.400 vs $6.00.
What context windows do Qwen2.5 72B Instruct and Grok 4.5 have?
Qwen2.5 72B Instruct: 32,768 tokens. Grok 4.5: 500,000 tokens.
Who makes Qwen2.5 72B Instruct and Grok 4.5?
Qwen2.5 72B Instruct is made by Alibaba. Grok 4.5 is made by xAI.
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