token.app › Compare › R1 vs Grok 4.5
R1 vs Grok 4.5
Grok 4.5 leads on 2 of 2 shared benchmarks. R1 is 2.6× 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
| R1 | Grok 4.5 | |
|---|---|---|
| Provider | DeepSeek | xAI |
| Input $/1M | $0.700 | $2.00 |
| Output $/1M | $2.50 | $6.00 |
| Blended $/1M | $1.15 | $3.00 |
| Context window | 164K | 500K |
| Max output | 16K | — |
| Released | Jan 2025 | Jul 2026 |
| Licence | Open weights | Proprietary |
| GPQA Diamond | 71.7% | 93.4% |
| OTIS Mock AIME | 53.3% | 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 R1 if…
- Costs less per token — $1.15 vs $3.00 blended
- Open weights — self-hostable
Choose Grok 4.5 if…
- Higher GPQA Diamond (93.4% vs 71.7%)
- Higher OTIS Mock AIME (97.8% vs 53.3%)
- Larger context window (500K)
- Newer model (released Jul 2026)
FAQ
Which is better, R1 or Grok 4.5?
Across the 2 benchmarks both models have independently-run scores for, R1 leads on 0 and Grok 4.5 leads on 2. Benchmarks are one input — price and context window are on this page too.
Is R1 cheaper than Grok 4.5?
R1 is cheaper: $1.15 versus $3.00 per million tokens blended at 3:1 input:output. Input alone: $0.700 vs $2.00. Output alone: $2.50 vs $6.00.
What context windows do R1 and Grok 4.5 have?
R1: 163,840 tokens. Grok 4.5: 500,000 tokens.
Who makes R1 and Grok 4.5?
R1 is made by DeepSeek. Grok 4.5 is made by xAI.