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Grok 4.3 vs GPT-6 Luna (batch)
List-price comparison ·Grok 4.3 details ·GPT-6 Luna (batch) details
For a typical workload (100,000 requests / mo), GPT-6 Luna (batch) is the cheapest — 94% less than the priciest here ($16.00/mo vs $250.00/mo).
| Grok 4.3 | GPT-6 Luna (batch) | |
|---|---|---|
| Input / 1M tokens | $1.25 | $0.050 |
| Output / 1M tokens | $2.50 | $0.250 |
| Typical request (1,200 in + 400 out) | $0.0025 | $0.0002 |
| Context window | 1M tokens | 1050k tokens |
| Max output | 900k tokens | 128k tokens |
| Quality score | 86/100 | 96/100 |
| Tier | Flagship | Flagship |
| Provider | xAI | OpenAI |
Projected monthly cost
| Requests / mo | Grok 4.3 | GPT-6 Luna (batch) |
|---|---|---|
| 1,000 | $2.50 | $0.16 |
| 10,000 | $25.00 | $1.60 |
| 100,000 | $250.00 | $16.00 |
More comparisons
Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.