Grok Code Fast 1
opencode/grok-codeBy opencode · family: grok · released 2025-08-20
⚠ This is a community fine-tune or derivative — not an official vendor release.
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.
Coding59
- Tool calling40/40
- Structured output0/20
- Reasoning10/10
- Context window (100K → 1M)8/20
- Provider availability1/10
Agents66
- Tool calling35/35
- Structured output0/25
- Reasoning15/15
- Output token limit15/15
- Provider availability1/10
JSON / structured output30
- Structured output / JSON mode0/50
- Tool calling20/20
- Temperature control10/10
- Price-friendly for high-volume0/20
Cost efficiency0
- Has published price0/100
Long context50
- Context window (100K → 2M)50/90
- Has published price for full window0/10
Production-readiness30
- 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)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.
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 |
|---|---|---|---|---|---|
| OpenCode Zen opencode | grok-code | Unknown | Unknown | 256K | 2025-08-20 |
Frequently asked questions
How much does Grok Code Fast 1 cost?
Grok Code Fast 1 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 opencode's official pricing page for the most current rates.
What is the context window of Grok Code Fast 1?
Grok Code Fast 1 has a context window of 256K tokens, with a max output of 256K tokens per reply. This is the total combined size of prompt + completion.
Does Grok Code Fast 1 support tool calling?
Yes. Grok Code Fast 1 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 Grok Code Fast 1 support structured output / JSON mode?
Support for structured output / JSON-schema-constrained decoding is not reported for Grok Code Fast 1 in our data source. Verify with opencode's official documentation before relying on it in production.
Can Grok Code Fast 1 accept image input?
No. Grok Code Fast 1 only accepts text as input. If you need image input, see our /capabilities/vision list for current vision-capable models.
Is Grok Code Fast 1 open-weight?
No. Grok Code Fast 1 is a proprietary model — only opencode (and any approved hosting partners) can serve it. The pricing above reflects the cheapest API access.
What are the best alternatives to Grok Code Fast 1?
If Grok Code Fast 1 doesn't fit, consider Ring 2.6 1T Free, Big Pickle, Trinity Large Preview. 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
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Capability lists this model is in
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.