GPT-4o Mini is 93% cheaper than Grok 2 on blended 3:1 token pricing. Grok 2 costs $2.00/1M in and $10.00/1M out, while GPT-4o Mini costs $0.15/1M in and $0.60/1M out.
Grok 2 vs GPT-4o Mini
Compare verified input/output token rates, prompt caching discounts, latency tiers, and context limits between xAI and OpenAI.
| Metric / Feature | Grok 2 (xAI) | GPT-4o Mini (OpenAI) |
|---|---|---|
| Input Price ($ / 1M Tokens) | $2.00 | $0.15 |
| Output Price ($ / 1M Tokens) | $10.00 | $0.60 |
| Prompt Caching Input Rate | Not Available | $0.075/1M |
| Blended 3:1 Rate (Production) | $4.000 / 1M | $0.263 / 1M |
| Max Context Window | 131k | 128k |
| Multimodal Vision | ✅ Supported | ✅ Supported |
| MMLU Benchmark | 87.5% | 82.0% |
| Throughput & Latency | Fast (~45 t/s) | Ultra-Fast (~85 t/s) |
| Best For | Real-time news synthesis, coding, uncensored creative reasoning | High-volume classification, customer support bots, lightweight summarization |
When to Choose Grok 2
Choose Grok 2 if your workload requires real-time news synthesis, coding, uncensored creative reasoning. Ideal for teams needing xAI's infrastructure and ecosystem tooling.
When to Choose GPT-4o Mini
Choose GPT-4o Mini if your primary objective is high-volume classification, customer support bots, lightweight summarization. Ideal for scaling high-throughput pipelines with OpenAI.
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