Grok 3 vs GPT-4.1 Nano
Performance benchmarks + pricing comparison — updated April 2026
Grok 3
xAIxAI's flagship model. Strong general-purpose capability with real-time knowledge access through X platform integration.
| Input | $3.00/M |
| Output | $15.00/M |
| Context | 128K tokens |
| Best For | General coding, research tasks, current-event-aware applications |
| Benchmark | 70/100 |
GPT-4.1 Nano
OpenAIOpenAI's smallest and cheapest GPT-4.1 model. Fast responses for simple tasks.
| Input | $0.100/M |
| Output | $0.400/M |
| Context | 1M tokens |
| Best For | Simple queries, classification, fast responses |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Grok 3 | GPT-4.1 Nano | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.55 | $0.02 | GPT-4.1 Nano saves $0.54 (97%) |
| Medium Feature (10K lines) | $4.05 | $0.12 | GPT-4.1 Nano saves $3.93 (97%) |
| Large Project (50K lines) | $20.25 | $0.58 | GPT-4.1 Nano saves $19.68 (97%) |
| Code Review (5K lines) | $0.90 | $0.03 | GPT-4.1 Nano saves $0.87 (97%) |
Verdict
GPT-4.1 Nano wins on both price and performance — $0.100/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
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