Claude Fable 5.2 vs Grok Build 0.1
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on November 14, 2026· 230 models
Claude Fable 5.2 is Anthropic's most capable model for the most demanding technical work, with gains over Fable 5.1 in coding, reasoning, and vision.
- Reasoning estimated
- ▲
- Speed estimated
- Input
- Output
- Context
- ▲1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- $8.00
- Output, $ per 1M tokens
- $40.00
- Cache read, $ per 1M
- $0.200
- Batch (input / output)
- $4.00 / $20.00
- Tool calling
- Yes
- Released
- ▲11/09/2026
- Knowledge cutoff
- 2026-06
- API id
- anthropic/claude-fable-5.2
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
Which is the better API choice: Claude Fable 5.2 vs Grok Build 0.1?
- Grok Build 0.1: cheapest input (88% less than Claude Fable 5.2)
- Grok Build 0.1: cheapest output
- Claude Fable 5.2: largest context (1 M)
- Claude Fable 5.2: the newest (11/09/2026)
- Claude Fable 5.2: most reasoning (estimated)
- Grok Build 0.1: the fastest (estimated)
Grok Build 0.1 costs 88% less on input and 95% less on output than Claude Fable 5.2 ($1.00 / $2.00 versus $8.00 / $40.00 per million tokens). Claude Fable 5.2 accepts more context (1 M). Claude Fable 5.2 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 $257.00 a month versus Claude Fable 5.2 (92% 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
- 2Grok Build 0.1 xAI$0.076
- 3Claude Sonnet 5.5 Anthropic$0.152
- 4Claude Sonnet 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: Claude Fable 5.2 vs Grok Build 0.1?
Grok Build 0.1 costs 88% less on input and 95% less on output than Claude Fable 5.2 ($1.00 / $2.00 versus $8.00 / $40.00 per million tokens). Claude Fable 5.2 accepts more context (1 M). Claude Fable 5.2 offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: Claude Fable 5.2 and Grok Build 0.1?
Grok Build 0.1 is cheaper: $1.00 per million input tokens and $2.00 per million output tokens, versus $8.00 / $40.00 for Claude Fable 5.2.
Which has more context: Claude Fable 5.2 and Grok Build 0.1?
Claude Fable 5.2 accepts 1 M tokens of context; Grok Build 0.1 accepts 256 K.
Which is newer: Claude Fable 5.2 and Grok Build 0.1?
Claude Fable 5.2 was released on 11/09/2026; Grok Build 0.1 on 04/16/2026.
What would 10,000 requests a month cost with Claude Fable 5.2 and Grok Build 0.1?
With 1,500 input and 400 output tokens per request: Claude Fable 5.2: $280.00; Grok Build 0.1: $23.00 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.