Grok Build 0.1 vs Kimi K3
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on November 14, 2026· 230 models
Grok Build 0.1 is SpaceXAI’s fast coding model trained specifically for agentic software engineering workflows.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- 256 K tokens
- Max output
- 230 K
- Input, $ per 1M tokens
- $1.00
- Output, $ per 1M tokens
- ▲$2.00
- Cache read, $ per 1M
- $0.200
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 04/16/2026
- Knowledge cutoff
- —
- API id
- x-ai/grok-build-0.1
Kimi K3 is a 2.8T parameter open-weight multimodal reasoning model from Moonshot AI.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- ▲1 M tokens
- Max output
- ▲944 K
- Input, $ per 1M tokens
- ▲$0.192
- Output, $ per 1M tokens
- $16.00
- Cache read, $ per 1M
- $0.182
- Batch (input / output)
- $2.28 / $11.40
- Tool calling
- Yes
- Released
- ▲07/16/2026
- Knowledge cutoff
- —
- API id
- moonshotai/kimi-k3
Which is the better API choice: Grok Build 0.1 vs Kimi K3?
- Kimi K3: cheapest input (81% less than Grok Build 0.1)
- Grok Build 0.1: cheapest output
- Kimi K3: largest context (1 M)
- Kimi K3: the newest (07/16/2026)
Pricing is split: Kimi K3 wins on input and Grok Build 0.1 wins on output. Kimi K3 accepts more context (1 M). Kimi K3 offers a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With Grok Build 0.1 you save $43.88 a month versus Kimi K3 (66% less).
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Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Claude Haiku 5.5 Anthropic$0.008
- 2Kimi K3 Moonshot$0.015
- 3Grok Build 0.1 xAI$0.076
- 4Claude Sonnet 5.5 Anthropic$0.152
- 5Claude Opus 5.5 Anthropic$0.304
- 6Claude Opus 5 Anthropic$0.380
- 7Claude Fable 5.2 Anthropic$0.608
- 8Claude Fable 5.1 Anthropic$0.760
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See allFrequently asked questions
Which is the better API choice: Grok Build 0.1 vs Kimi K3?
Pricing is split: Kimi K3 wins on input and Grok Build 0.1 wins on output. Kimi K3 accepts more context (1 M). Kimi K3 offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: Grok Build 0.1 and Kimi K3?
Kimi K3 is cheaper: $0.192 per million input tokens and $16.00 per million output tokens, versus $1.00 / $2.00 for Grok Build 0.1.
Which has more context: Grok Build 0.1 and Kimi K3?
Kimi K3 accepts 1 M tokens of context; Grok Build 0.1 accepts 256 K.
Which is newer: Grok Build 0.1 and Kimi K3?
Kimi K3 was released on 07/16/2026; Grok Build 0.1 on 04/16/2026.
What would 10,000 requests a month cost with Grok Build 0.1 and Kimi K3?
With 1,500 input and 400 output tokens per request: Grok Build 0.1: $23.00; Kimi K3: $66.88 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.