R1 vs GPT-6.1 Sol Pro
Price, context window & benchmark comparison
VS
Compare different models
Verdict: R1 is 3.5× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix. GPT-6.1 Sol Pro has the larger context window (1.1M vs 64K).
| R1 | GPT-6.1 Sol Pro | |
|---|---|---|
| Input price / 1M | $0.70 | $2.00 |
| Output price / 1M | $2.50 | $10.00 |
| Blended price (3:1) | $1.15 | $4.00 |
| Cached input / 1M | — | $0.10 |
| Context window | 64K | 1.1M |
| Max output | 16K | 128K |
| Intelligence index | 11.4 | — |
| Coding index | 24.6 | — |
| Providers | — | 7 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-01-20 | 2026-09-29 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, R1 or GPT-6.1 Sol Pro?
R1 is 3.5× cheaper than GPT-6.1 Sol Pro on a typical 3:1 input/output mix.
R1 vs GPT-6.1 Sol Pro: which has a bigger context window?
R1: 64,000 tokens. GPT-6.1 Sol Pro: 1,050,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: R1 ≈ $2,650, GPT-6.1 Sol Pro ≈ $9,000.
More comparisons
R1 vs Gemini 4 CarbonR1 vs Claude Fable 5.2R1 vs Gemini Omni 1.2 FlashR1 vs Gemini Omni 1.1 FlashR1 vs Hy4R1 vs GLM 5.3 FlashX LegalR1 vs GPT-6.1 TerraR1 vs GPT-6.1 Terra ProR1 vs Kimi K3.1 ProR1 vs MiniMax M3.1 FlashR1 vs DeepSeek V4.1 Flash 1017R1 vs Nemotron 3.5 Super VLR1 vs Gemini 4 ArgonR1 vs Claude Haiku 5.5R1 vs Nano Banana 2.1R1 vs Mistral Large 4GPT-6.1 Sol Pro vs Gemini 4 CarbonGPT-6.1 Sol Pro vs Claude Fable 5.2GPT-6.1 Sol Pro vs Gemini Omni 1.2 FlashGPT-6.1 Sol Pro vs Gemini Omni 1.1 FlashGPT-6.1 Sol Pro vs Hy4GPT-6.1 Sol Pro vs GLM 5.3 FlashX LegalGPT-6.1 Sol Pro vs GPT-6.1 TerraGPT-6.1 Sol Pro vs GPT-6.1 Terra Pro