Claude Opus 4.8 vs Kimi K2.7 Code
API pricing, context window and capabilities for Claude Opus 4.8 and Kimi K2.7 Code, side by side. Prices are the cheapest serving route per 1M tokens, verified against LiteLLM and OpenRouter.
Verdict
computed from the published numbersClaude Opus 4.8 wins on coding, on intelligence and on context window. Kimi K2.7 Code wins on price.
Price
Kimi K2.7 Code
Coding
Claude Opus 4.8
Intelligence
Claude Opus 4.8
Context window
Claude Opus 4.8
Key takeaways
who wins on what, from the published numbersClaude Opus 4.8 wins
- Larger context window (1M vs 262K)
Kimi K2.7 Code wins
- Cheaper input ($5.00 vs $0.66 /1M)
- Cheaper output ($25.00 vs $3.40 /1M)
- Higher max output (128K vs 262K)
Cheaper overall
Kimi K2.7 Code
$0.66 + $3.40 /1M
Larger context
Claude Opus 4.8
1M
More providers
Tied
Pricing & specs
cheapest serving route · per 1M tokens| Claude Opus 4.8 | Kimi K2.7 Code | |
|---|---|---|
| Input $/1M | $5.00 | $0.66 best |
| Output $/1M | $25.00 | $3.40 best |
| Context window | 1M best | 262K |
| Max output | 128K | 262K best |
| Serving providers | 7 | 7 |
| Released | 2026-05-28 | 2026-06-13 |
Benchmarks
Artificial Analysis indices, side by side| Claude Opus 4.8 | Kimi K2.7 Code | |
|---|---|---|
| Intelligence | 57.3 best | 43.0 |
| Coding | 74.3 best | 60.8 |
| GPQA Diamond | 92% best | 90% |
| Output speed | 58 t/s best | 46 t/s |
| Latency (TTFT) | 45.85s | 2.81s best |
Cost calculator
choose a serving route for each sideInput tokens / month
Output tokens / month
Claude Opus 4.8
via Azure
$50
Kimi K2.7 Code
via OpenRouter
$6.70
Capabilities
feature support, side by side| Feature | Claude Opus 4.8 | Kimi K2.7 Code |
|---|---|---|
| Vision | ✓ | ✓ |
| Tool use | ✓ | ✓ |
| Reasoning | ✓ | ✓ |
| Audio | — | — |
| Prompt caching | ✓ | ✓ |
| Structured output | ✓ | ✓ |
| Web search | — | — |
Related comparisons
Frequently asked questions
Which is cheaper, Claude Opus 4.8 or Kimi K2.7 Code?
Kimi K2.7 Code is cheaper for input ($5.00 vs $0.66 per 1M tokens). Kimi K2.7 Code is cheaper for output ($25.00 vs $3.40 per 1M tokens).
What is the context window difference between Claude Opus 4.8 and Kimi K2.7 Code?
Claude Opus 4.8 has a 1M-token context window and Kimi K2.7 Code has 262K tokens, so Claude Opus 4.8 can take a larger prompt.
How do Claude Opus 4.8 and Kimi K2.7 Code compare on benchmarks?
On the tracked Artificial Analysis indices, Claude Opus 4.8 leads on coding, and Claude Opus 4.8 leads on intelligence.
Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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