Migrating from kimi-k2.5 to kimi-k3
What changes when you move from kimi-k2.5 to kimi-k3: prices, limits, features and parameters, read from each company's own pages.
- From
- kimi-k2.5
- Status
- Retired
- Shutdown
- Aug 31, 2026
- Time left
- —
- To
- kimi-k3
- Status
- Active
- Shutdown
- none announced
- Time left
- —
Prices
USD per 1M tokens, standard tier| Type | kimi-k2.5 | kimi-k3 | Change |
|---|---|---|---|
| Input | Not published | $3.00first seen October 5, 2026 · source | — |
| Cached input | Not published | $0.30first seen October 5, 2026 · source | — |
| Output | Not published | $15.00first seen October 5, 2026 · source | — |
Other tiers, prompt-size bands and modalities are on each model's page.
Limits
TokensNeither company publishes a context window or output limit for these models.
Benchmarks
Same benchmark and source on both sides; settings named where they differ| Benchmark | kimi-k2.5 | kimi-k3 | Change |
|---|---|---|---|
| Arena TextArena, max effort (vs thinking). Ranges don't overlap. | 1450 ±3 | 1488 ±5 | +38 |
| Arena Text: CodingArena, max effort (vs no thinking). Ranges don't overlap. | 1504 ±14 | 1539 ±7 | +35 |
| Arena WebDevArena, max effort (vs thinking). Ranges don't overlap. | 1436 ±5 | 1655 ±6 | +219 |
| SimpleQA VerifiedEpoch AI, max effort (vs no setting). | 34.3% | 50.6% | +16.3 pts |
A score from one source is never compared with another source's, and company-reported scores are compared only within the same company; settings named where they differ. Data: Arena (arena.ai), CC BY 4.0; Epoch AI, Capabilities & benchmarking (epoch.ai/benchmarks), CC BY.
Features and parameters
Compare modelsNeither company publishes feature facts for these models.
Aliases
All aliasesNo aliases point at either model.
On cloud platforms
All platform dates| Model | Platform | Platform ID | Shutdown | Time left |
|---|---|---|---|---|
| kimi-k2.5 | Amazon Bedrock | moonshotai.kimi-k2.5 | not before Jan 27, 2027Active | |
| kimi-k2.5 | Microsoft Foundryversion 1 | Kimi-K2.5 | Jan 26, 2027Active | 103 days |
| kimi-k3 | Amazon Bedrock | moonshotai.kimi-k3 | none announcedActive |
Read daily from each platform's own pages. The status above uses each company's own date. Time left counts to 00:00 UTC on the shutdown date, which is the evening before in ET.
Checklist
- Change the model string from
kimi-k2.5tokimi-k3.
Compared from AIWire's published data when this page loaded. Each fact links to the page it came from. Model pages: kimi-k2.5, kimi-k3.