Grok Build 0.1
opencode The API that serves this model and sets the prices shown here. grok-build-0.1 The model identifier to send in API requests. LLM Generates text from a prompt, so it can be compared with other LLMs on price and capability.Provider: xai · served via OpenCode
Nothing to act on today. The cost is the checking: someone has to remember to look again next month, and the month after. Coolhand watches this model for you and automatically updates your agents to the most compatible replacement the moment a retirement is announced — one less thing on your list, permanently.
Sticker prices & cost-per-token
List rates as published by OpenCode, before any volume or enterprise discounts.
$1.00
$2.00
256,000 tokens
256,000
tokens per response (includes reasoning tokens)
Closed weights
$0.20
Get this data free
Want to stay updated on price changes on this model? Pull this data free (no API key required) here:
curl "https://coolhandlabs.com/api/v2/inference_apis?q%5Bmodel_eq%5D=grok-build-0.1&q%5Bsource_api_eq%5D=opencode"Pricing History
| Effective | Price |
|---|---|
| Aug 12, 2026 – present | Input cost: $1.00 / 1M, Output cost: $2.00 / 1M, Cached input cost: $0.20 / 1M, Cache creation cost: $0.00 / 1M, 5-minute cache write cost: $0.00 / 1M, 1-hour cache write cost: $0.00 / 1M, Reasoning output cost: $0.00 / 1M, Cache storage cost: $0.00 / 1M/hr |
History
No automated scan changes recorded yet.
| Date | Changed by | What changed |
|---|---|---|
| Aug 12, 2026 | Unknown | Initial record created |
Source
https://opencode.ai/docs/zen/ (via https://models.dev/api.json)Comparable models
No comparable models identified yet.
Reliability
No reliability incidents recorded in the last 90 days.
Frequently asked questions
Grok Build 0.1 (xai via OpenCode) costs $1.00 per 1M input tokens and $2.00 per 1M output tokens, as last published by OpenCode.
Grok Build 0.1 has a context window of 256,000 tokens (the maximum combined input and output it can handle in a single request).
Grok Build 0.1 can generate up to 256,000 tokens in a single response. Reasoning (thinking) tokens count toward this limit.
Grok Build 0.1 accepts image, pdf, and text as input and produces text as output, as recorded in the Coolhand catalog.
No — the weights of Grok Build 0.1 have not been released, so it is only available through hosted APIs.
No, Grok Build 0.1 is currently active with no announced deprecation date.
Call GET https://coolhandlabs.com/api/v2/inference_apis?q[source_api_eq]=opencode&q[model_eq]=grok-build-0.1 — free, no API key required, and scoped to just this model since source_api and model together are unique. See https://coolhandlabs.com/docs for the full REST API reference.
Coolhand also tracks Grok Code Fast 1, Grok 4.20 (Non-Reasoning), Grok 4.20 (Reasoning), Grok 4.20 Multi-Agent, Grok 4.3, and Grok 4.5 from xai. Some may already be deprecated, so check each model's status alongside its current pricing.
| Model | Input cost | Output cost | Context window | Max output tokens | Status |
|---|---|---|---|---|---|
| Grok Code Fast 1 via OpenCode | $0.00/1M $0.0000000000 | $0.00/1M $0.0000000000 | 256,000 | 256,000 |
Deprecated Aug 12, 2026
|
| Grok 4.20 (Non-Reasoning) | $1.25/1M $0.0000012500 | $2.50/1M $0.0000025000 | 1,000,000 | 30,000 |
Deprecated May 15, 2026
|
| Grok 4.20 (Reasoning) | $1.25/1M $0.0000012500 | $2.50/1M $0.0000025000 | 1,000,000 | 30,000 |
Deprecated May 15, 2026
|
| Grok 4.20 Multi-Agent | $1.25/1M $0.0000012500 | $2.50/1M $0.0000025000 | 1,000,000 | 30,000 |
Deprecated May 15, 2026
|
| Grok 4.3 | $1.25/1M $0.0000012500 | $2.50/1M $0.0000025000 | 1,000,000 | 30,000 |
Deprecated May 15, 2026
|
| Grok 4.5 | $2.00/1M $0.0000020000 | $6.00/1M $0.0000060000 | 500,000 | 500,000 |
Deprecated May 15, 2026
|
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