Grok 4.3 vs Kimi K2.7 Code
API pricing, context window and capabilities for Grok 4.3 and Kimi K2.7 Code, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.
Verdict
computed from the published numbersGrok 4.3 wins on context window. Kimi K2.7 Code wins on Terminal-Bench and on intelligence.
Price
Tied
Terminal-Bench
Kimi K2.7 Code
Intelligence
Kimi K2.7 Code
Context window
Grok 4.3
Key takeaways
who wins on what, from the published numbersGrok 4.3 wins
- Cheaper output ($2.50 vs $3.35 /1M)
- Larger context window (1M vs 262K)
- Higher max output (1M vs 262K)
- Has web search
Kimi K2.7 Code wins
- Cheaper input ($1.25 vs $0.671 /1M)
- More serving providers (6 vs 16)
Cheaper overall
Grok 4.3
$1.25 + $2.50 /1M
Larger context
Grok 4.3
1M
More providers
Kimi K2.7 Code
16 providers
Pricing & specs
cheapest listed route · per 1M tokensOn-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower. An OpenRouter routed quote is the price of whichever upstream provider OpenRouter prefers today, so it moves day to day.
| Grok 4.3 | Kimi K2.7 Code | |
|---|---|---|
| Input $/1M | $1.25via xAI | $0.671OpenRouter routed quote best |
| Output $/1M | $2.50via xAI best | $3.35OpenRouter routed quote |
| Context window | 1M best | 262K |
| Max output | 1M best | 262K |
| Serving providers | 6 | 16 best |
| Date | Released Apr 18, 2026 | Released Jun 13, 2026 |
Benchmarks
Benchmark scores, side by side| Grok 4.3 | Kimi K2.7 Code | |
|---|---|---|
| Intelligence | 24.9 | 25.8 best |
| Terminal-Bench | 40% | 67% best |
| GPQA Diamond | 90% | 90% |
| Output speed | 113 t/s best | 64 t/s |
| Latency (TTFT) | 27.23s | 2.75s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Grok 4.3
via OpenRouter
$8.75
Kimi K2.7 Code
via OpenRouter
$6.71
Capabilities
feature support, side by side| Feature | Grok 4.3 | Kimi K2.7 Code |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | ✓ | — |
Related comparisons
Frequently asked questions
Which is cheaper, Grok 4.3 or Kimi K2.7 Code?
Kimi K2.7 Code is cheaper for input ($1.25 vs $0.671 per 1M tokens) as an OpenRouter routed quote, while Moonshot lists it at $0.95 per 1M input. Grok 4.3 is cheaper for output ($2.50 vs $3.35 per 1M tokens) from xAI.
What is the context window difference between Grok 4.3 and Kimi K2.7 Code?
Grok 4.3 has a 1M-token context window and Kimi K2.7 Code has 262K tokens, so Grok 4.3 can take a larger prompt.
How do Grok 4.3 and Kimi K2.7 Code compare on benchmarks?
On the tracked benchmarks, Kimi K2.7 Code leads on Terminal-Bench, and Kimi K2.7 Code leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026
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