KAT-Coder-Air V2.5 vs Grok Build 0.1
Side-by-side comparison of API pricing, specs, benchmarks, and capabilities
KAT-Coder-Air V2.5 is 79.3% cheaper on blended cost ($0.259 vs $1.25/Mtok)
| Specification |
by Kwaipilot
|
by xAI
|
|---|---|---|
| Overview | ||
| Status | Current coding | Current coding |
| Released | Jul 10, 2026 | Feb 1, 2026 |
| Pricing per million tokens | ||
| Input | $0.148/Mtok | $1.00/Mtok |
| Output | $0.593/Mtok | $2.00/Mtok |
| Blended avg | $0.259/Mtok | $1.25/Mtok |
| Cached input | $0.030/Mtok | — |
| Specifications | ||
| Context window | 256K tokens | 256K tokens |
| Parameters | Proprietary | Proprietary |
| Speed (TPS) | — | — |
| Modalities | ||
| Input |
text
|
text
|
| Benchmarks sources: n/a / Artificial Analysis | ||
| Independent composite scores each on its own scale — not part of the average above | ||
| AA Intelligence Index | — | 40.7 |
| AA Agentic Index | — | 28.9 |
| AA-Omniscience Index (−100–100) | — | 6.4 |
| Providers | ||
| Available from |
Kwaipilot — $0.148/$0.593/Mtok
|
xAI — $1.00/$2.00/Mtok
|
Cost at scale
1M tokens · 50/50 input/output| Volume | KAT-Coder-Air V2.5 | Grok Build 0.1 | Savings |
|---|---|---|---|
| 1M tokens | $0.26 | $1.25 | $0.99 (79.2%) |
| 10M tokens | $2.59 | $12.5 | $9.91 (79.3%) |
| 100M tokens | $25.92 | $125 | $99.08 (79.3%) |
| 1000M tokens | $259.25 | $1250 | $990.75 (79.3%) |
When to pick which
distilled from the pricing and spec data above
Pick KAT-Coder-Air V2.5 if…
- cost dominates: $0.259/Mtok blended vs $1.25 — 79.3% less on the same 50/50 token mix
- your workload re-reads context (agents, RAG, long chats): cached input costs $0.030/Mtok — 80% off its list input price, a discount Grok Build 0.1 doesn't offer
Pick Grok Build 0.1 if…
- this pairing gives Grok Build 0.1 no edge on price, context, cache discount, or measured performance — pick it only for qualitative fit (ecosystem, compliance, model behavior on your prompts)
Summary
KAT-Coder-Air V2.5 by Kwaipilot costs $0.148/Mtok input and $0.593/Mtok output, with a 256K-token context window. It supports text input.
Grok Build 0.1 by xAI costs $1.00/Mtok input and $2.00/Mtok output, with a 256K-token context window. It supports text input.
On a blended cost basis, KAT-Coder-Air V2.5 is 79.3% cheaper than Grok Build 0.1.
Note: Pricing is per million tokens. Actual costs vary with usage patterns, prompt caching, and batch discounts. Always verify against official provider pricing pages.
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