Body Builder (beta)
kilo/bodybuilderBy kilo · released 2026-03-15
Prices in USD per 1M tokens. Unknown means the provider does not publish per-token pricing.
Capabilities
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.
Coding3
- Tool calling0/40
- Structured output0/20
- Reasoning0/10
- Context window (100K → 1M)2/20
- Provider availability1/10
Agents16
- Tool calling0/35
- Structured output0/25
- Reasoning0/15
- Output token limit15/15
- Provider availability1/10
JSON / structured output0
- Structured output / JSON mode0/50
- Tool calling0/20
- Temperature control0/10
- Price-friendly for high-volume0/20
Cost efficiency0
- Has published price0/100
Long context35
- Context window (100K → 2M)35/90
- Has published price for full window0/10
Production-readiness45
- Number of independent providers5/40
- Has published per-token price0/20
- Context window ≥ 8K15/15
- No data inconsistencies across providers10/10
- Official model (not derivative)15/15
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.
This model has no published per-token price, so we can't compute a cost estimate. See the provider's official pricing page for current rates.
Available on 1 providers
| Provider | Provider model id | Input / 1M | Output / 1M | Context | Released |
|---|---|---|---|---|---|
| Kilo Gateway kilo | openrouter/bodybuilder | Unknown | Unknown | 128K | 2026-03-15 |
Frequently asked questions
How much does Body Builder (beta) cost?
Body Builder (beta) does not have a publicly published per-token price in our data source. This usually means it is gated behind enterprise sales or invite access. Check kilo's official pricing page for the most current rates.
What is the context window of Body Builder (beta)?
Body Builder (beta) has a context window of 128K tokens, with a max output of 33K tokens per reply. This is the total combined size of prompt + completion.
Does Body Builder (beta) support tool calling?
No. Body Builder (beta) does not support tool calling (function calling). If your workflow requires it, look at the /capabilities/tool-calling list for alternatives.
Does Body Builder (beta) support structured output / JSON mode?
Support for structured output / JSON-schema-constrained decoding is not reported for Body Builder (beta) in our data source. Verify with kilo's official documentation before relying on it in production.
Can Body Builder (beta) accept image input?
No. Body Builder (beta) only accepts text as input. If you need image input, see our /capabilities/vision list for current vision-capable models.
Is Body Builder (beta) open-weight?
No. Body Builder (beta) is a proprietary model — only kilo (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.
What are the best alternatives to Body Builder (beta)?
If Body Builder (beta) doesn't fit, consider Free Models Router, Reka Edge, Reka Flash 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.
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Last updated:
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.