Kimi K2.7 Code vs Mercury 2
API pricing, context window and capabilities for Kimi K2.7 Code and Mercury 2, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersKimi K2.7 Code wins on coding, on intelligence and on context window. Mercury 2 wins on price.
Price
Mercury 2
Coding
Kimi K2.7 Code
Intelligence
Kimi K2.7 Code
Context window
Kimi K2.7 Code
Key takeaways
who wins on what, from the published numbersKimi K2.7 Code wins
- Larger context window (262K vs 128K)
- Higher max output (262K vs 50K)
- More serving providers (7 vs 2)
- Supports vision
- Has reasoning mode
Mercury 2 wins
- Cheaper input ($0.66 vs $0.25 /1M)
- Cheaper output ($3.40 vs $0.75 /1M)
Cheaper overall
Mercury 2
$0.25 + $0.75 /1M
Larger context
Kimi K2.7 Code
262K
More providers
Kimi K2.7 Code
7 providers
Pricing & specs
cheapest serving route · per 1M tokens| Kimi K2.7 Code | Mercury 2 | |
|---|---|---|
| Input $/1M | $0.66 | $0.25 best |
| Output $/1M | $3.40 | $0.75 best |
| Context window | 262K best | 128K |
| Max output | 262K best | 50K |
| Serving providers | 7 best | 2 |
| Released | 2026-06-13 | 2026-02-24 |
Benchmarks
Artificial Analysis indices, side by side| Kimi K2.7 Code | Mercury 2 | |
|---|---|---|
| Intelligence | 43.0 best | 21.9 |
| Coding | 60.8 best | 31.1 |
| GPQA Diamond | 90% best | 77% |
| Output speed | 46 t/s | 939 t/s best |
| Latency (TTFT) | 2.81s best | 3.44s |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Kimi K2.7 Code
via OpenRouter
$6.70
Mercury 2
via Inception
$2.00
Capabilities
feature support, side by side| Feature | Kimi K2.7 Code | Mercury 2 |
|---|---|---|
| Vision | ✓ | — |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | — |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | — |
Related comparisons
Frequently asked questions
Which is cheaper, Kimi K2.7 Code or Mercury 2?
Mercury 2 is cheaper for input ($0.66 vs $0.25 per 1M tokens). Mercury 2 is cheaper for output ($3.40 vs $0.75 per 1M tokens).
What is the context window difference between Kimi K2.7 Code and Mercury 2?
Kimi K2.7 Code has a 262K-token context window and Mercury 2 has 128K tokens, so Kimi K2.7 Code can take a larger prompt.
How do Kimi K2.7 Code and Mercury 2 compare on benchmarks?
On the tracked Artificial Analysis indices, Kimi K2.7 Code leads on coding, and Kimi K2.7 Code leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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