Kimi-K2.5-fast
nebius/kimi-k2-5-fast出品方： nebius · 系列: kimi · 发布 2025-12-15 · 知识截止: 2025-06
⚠ 本模型为社区微调 / 衍生版本，非厂商官方发布。
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
能力清单
Model fit scores
0–100 · higher is betterThese scores reward declared capabilities, context size, price and provider availability — they are not benchmark results. Use them as a directional signal alongside your own evaluation.
Coding79
- Tool calling40/40
- Structured output20/20
- Reasoning10/10
- Context window (100K → 1M)8/20
- Provider availability1/10
Agents81
- Tool calling35/35
- Structured output25/25
- Reasoning15/15
- Output token limit5/15
- Provider availability1/10
JSON / structured output94
- Structured output / JSON mode50/50
- Tool calling20/20
- Temperature control10/10
- Price-friendly for high-volume14/20
Cost efficiency56
- Headline price (log-scaled)51/95
- Has prompt-cache pricing5/5
Long context60
- Context window (100K → 2M)50/90
- Has published price for full window10/10
Vision82
- Accepts image input50/50
- Context window (10K → 1M)21/30
- Has published price10/10
- Provider availability1/10
Production-readiness50
- Number of independent providers5/40
- Has published per-token price20/20
- Context window ≥ 8K15/15
- No data inconsistencies across providers10/10
- Official model (not derivative)0/15
Cost Efficiency Index
Open full calculator →Estimated cost using the recommended provider's headline rate. Each scenario fixes average input/output tokens — the assumptions are shown in the third column.
| Scenario | Cost | Assumption |
|---|---|---|
RAG answer per 1,000 RAG answers | $3.75 < $0.01 per request | 5K input tokens (query + 4 retrieved chunks of ~1K each) and a 500-token answer. Typical SaaS knowledge-base bot. |
Support ticket triage per 10,000 tickets | $7.50 < $0.01 per request | 1K input tokens (ticket body + system prompt) and a 100-token JSON classification reply. High-volume customer support. |
Data extraction per 1,000 documents | $2.25 < $0.01 per request | 2K input tokens (a single document page) and a 500-token JSON extraction. ETL / invoice / form pipelines. |
Code review per 1,000 PRs | $6.50 < $0.01 per request | 8K input tokens (diff + surrounding files) and a 1K-token review comment. PR-bot workloads. |
Agent step per 1,000 steps | $7.50 < $0.01 per request | 12K input tokens (long-running tool history) and a 600-token tool-call decision. Cost per agent step. |
定价详情
推荐定价来自 nebius · moonshotai/Kimi-K2.5-fast
在 1 家渠道可用
| 服务商 | 服务商模型 ID | 输入 / 1M | 输出 / 1M | 上下文 | 发布日期 |
|---|---|---|---|---|---|
| Nebius Token Factory nebius | moonshotai/Kimi-K2.5-fast | $0.500 | $2.50 | 256K | 2025-12-15 |
Frequently asked questions
How much does Kimi-K2.5-fast cost?
Kimi-K2.5-fast costs $0.500 per 1M input tokens and $2.50 per 1M output tokens, sourced from nebius. Cache reads, audio tokens and >200K-context tiers (where applicable) are listed in the Pricing detail block above.
What is the context window of Kimi-K2.5-fast?
Kimi-K2.5-fast has a context window of 256K tokens, with a max output of 8K tokens per reply. This is the total combined size of prompt + completion.
Does Kimi-K2.5-fast support tool calling?
Yes. Kimi-K2.5-fast supports tool calling (function calling). This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.
Does Kimi-K2.5-fast support structured output / JSON mode?
Yes. Kimi-K2.5-fast supports structured output / JSON-schema-constrained decoding. This makes it suitable for production agent and automation workloads where the model has to invoke external functions reliably.
Can Kimi-K2.5-fast accept image input?
Yes. Kimi-K2.5-fast accepts both text and image input. Vision pricing per image is usually billed on top of the regular token rate — check nebius's docs for the exact rule.
Is Kimi-K2.5-fast open-weight?
Yes. Kimi-K2.5-fast's weights are publicly available, so you can self-host or fine-tune. Note that open weights ≠ open source — the training data and code are typically not released.
What are the best alternatives to Kimi-K2.5-fast?
If Kimi-K2.5-fast doesn't fit, consider Hermes-4-70B, Hermes-4-405B, INTELLECT-3. Each one targets the same use case — see the Related links below for direct head-to-head pages.
Where does this data come from?
All numbers come from the public models.dev API and are normalised into a single canonical model record. We re-pull daily and write any changes (price, context, capability) to the /changelog page.
Explore more
More nebius models
- Hermes-4-70B$0.13 in / $0.40 out
- Hermes-4-405B$1.00 in / $3.00 out
- INTELLECT-3$0.20 in / $1.10 out
Capability lists this model is in
最近更新：
Data is sourced from models.dev and normalized for comparison. Prices and capabilities may change. Always verify critical production decisions with the provider's official documentation.