Grok 4 20 Non Reasoning vs Grok 4.3
API pricing, context window and capabilities for Grok 4 20 Non Reasoning and Grok 4.3, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersGrok 4 20 Non Reasoning wins on context window. Grok 4.3 wins on price and on intelligence. Benchmark data is unavailable for one or both models.
Price
Grok 4.3
Coding
Not called
Intelligence
Grok 4.3
Context window
Grok 4 20 Non Reasoning
Key takeaways
who wins on what, from the published numbersGrok 4 20 Non Reasoning wins
- Larger context window (2M vs 1M)
- Higher max output (2M vs 1M)
Grok 4.3 wins
- Cheaper input ($2.00 vs $1.25 /1M)
- Cheaper output ($6.00 vs $2.50 /1M)
- Has reasoning mode
- Supports prompt caching
Cheaper overall
Grok 4.3
$1.25 + $2.50 /1M
Larger context
Grok 4 20 Non Reasoning
2M
More providers
Tied
Pricing & specs
cheapest serving route · per 1M tokens| Grok 4 20 Non Reasoning | Grok 4.3 | |
|---|---|---|
| Input $/1M | $2.00 | $1.25 best |
| Output $/1M | $6.00 | $2.50 best |
| Context window | 2M best | 1M |
| Max output | 2M best | 1M |
| Serving providers | 1 | 1 |
| Released | 2026-03-09 | 2026-04-18 |
Benchmarks
Artificial Analysis indices, side by side| Grok 4 20 Non Reasoning | Grok 4.3 | |
|---|---|---|
| Intelligence | 21.8 | 37.6 best |
| Coding | Not available | 42.3 |
| GPQA Diamond | 78% | 90% best |
| Output speed | 163 t/s best | 113 t/s |
| Latency (TTFT) | 4.54s best | 17.26s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Grok 4 20 Non Reasoning
via Vertex AI
$16
Grok 4.3
via xAI
$8.75
Capabilities
feature support, side by side| Feature | Grok 4 20 Non Reasoning | Grok 4.3 |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | — | ✓ |
| Audio | — | — |
| Prompt caching | — | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | ✓ |
Related comparisons
Frequently asked questions
Which is cheaper, Grok 4 20 Non Reasoning or Grok 4.3?
Grok 4.3 is cheaper for input ($2.00 vs $1.25 per 1M tokens). Grok 4.3 is cheaper for output ($6.00 vs $2.50 per 1M tokens).
What is the context window difference between Grok 4 20 Non Reasoning and Grok 4.3?
Grok 4 20 Non Reasoning has a 2M-token context window and Grok 4.3 has 1M tokens, so Grok 4 20 Non Reasoning can take a larger prompt.
How do Grok 4 20 Non Reasoning and Grok 4.3 compare on benchmarks?
On the tracked Artificial Analysis indices, Grok 4.3 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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