R1 0528 vs Gemini 4 Carbon
Price, context window & benchmark comparison
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Verdict: R1 0528 is 4.4× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix. Gemini 4 Carbon has the larger context window (1M vs 164K).
| R1 0528 | Gemini 4 Carbon | |
|---|---|---|
| Input price / 1M | $0.50 | $2.00 |
| Output price / 1M | $2.15 | $10.00 |
| Blended price (3:1) | $0.91 | $4.00 |
| Cached input / 1M | $0.35 | $0.10 |
| Context window | 164K | 1M |
| Max output | 33K | 944K |
| Intelligence index | — | 60 |
| Coding index | — | — |
| Providers | — | 7 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | No | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-05-28 | 2026-11-10 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, R1 0528 or Gemini 4 Carbon?
R1 0528 is 4.4× cheaper than Gemini 4 Carbon on a typical 3:1 input/output mix.
R1 0528 vs Gemini 4 Carbon: which has a bigger context window?
R1 0528: 163,840 tokens. Gemini 4 Carbon: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: R1 0528 ≈ $2,075, Gemini 4 Carbon ≈ $9,000.
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