Verdict
computed from the published numbersGPT-5 wins on price, on intelligence and on context window. Benchmark data is unavailable for one or both models.
Price
GPT-5
Coding
Not called
Intelligence
GPT-5
Context window
GPT-5
Key takeaways
who wins on what, from the published numbersGPT-5 wins
- Cheaper input ($1.25 vs $3.00 /1M)
- Cheaper output ($10.00 vs $15.00 /1M)
- Larger context window (410K vs 256K)
- More serving providers (6 vs 5)
- Supports vision
Grok 4 wins
- Higher max output (128K vs 256K)
Cheaper overall
GPT-5
$1.25 + $10.00 /1M
Larger context
GPT-5
410K
More providers
GPT-5
6 providers
Pricing & specs
cheapest serving route · per 1M tokens| GPT-5 | Grok 4 | |
|---|---|---|
| Input $/1M | $1.25 best | $3.00 |
| Output $/1M | $10.00 best | $15.00 |
| Context window | 410K best | 256K |
| Max output | 128K | 256K best |
| Serving providers | 6 best | 5 |
| Released | 2025-08-07 | 2024-07-09 |
Benchmarks
Artificial Analysis indices, side by side| GPT-5 | Grok 4 | |
|---|---|---|
| Intelligence | 34.7 best | 33.3 |
| Coding | 37.8 | Not available |
| GPQA Diamond | 85% | 88% best |
| Output speed | 69 t/s | Not available |
| Latency (TTFT) | 33.91s | Not available |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
GPT-5
via Databricks
$16
Grok 4
via Azure
$30
Capabilities
feature support, side by side| Feature | GPT-5 | Grok 4 |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, GPT-5 or Grok 4?
GPT-5 is cheaper for input ($1.25 vs $3.00 per 1M tokens). GPT-5 is cheaper for output ($10.00 vs $15.00 per 1M tokens).
What is the context window difference between GPT-5 and Grok 4?
GPT-5 has a 410K-token context window and Grok 4 has 256K tokens, so GPT-5 can take a larger prompt.
How do GPT-5 and Grok 4 compare on benchmarks?
On the tracked Artificial Analysis indices, GPT-5 leads on intelligence.
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