GPT-4o vs Grok 2 Vision
Performance benchmarks + pricing comparison — updated April 2026
GPT-4o
OpenAIOpenAI's flagship multimodal model. Strong coding and reasoning at competitive pricing.
| Input | $2.50/M |
| Output | $10.00/M |
| Context | 128K tokens |
| Best For | General coding, multimodal tasks, chatbots |
| Benchmark | 75/100 |
Grok 2 Vision
xAIGrok 2 with image input support. Vision capabilities combined with real-time X knowledge.
| Input | $2.00/M |
| Output | $10.00/M |
| Context | 128K tokens |
| Best For | Image analysis with social context, visual understanding |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4o | Grok 2 Vision | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.41 | $0.37 | Grok 2 Vision saves $0.04 (9%) |
| Medium Feature (10K lines) | $3.06 | $2.70 | Grok 2 Vision saves $0.36 (12%) |
| Large Project (50K lines) | $15.31 | $13.50 | Grok 2 Vision saves $1.81 (12%) |
| Code Review (5K lines) | $0.78 | $0.60 | Grok 2 Vision saves $0.18 (23%) |
Verdict
Grok 2 Vision wins on both price and performance — $2.00/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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