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Grok 4.3

Amazon Bedrock

Grok 4.3 by Amazon Bedrock costs $1.25 per 1M input tokens and $2.50 per 1M output tokens, with a 1M-token context window.

Pricing

Input (per 1M tokens)
$1.25
Output (per 1M tokens)
$2.50
Cached input (per 1M)
$0.20

Specifications

Provider
Amazon Bedrock
Context window
1M tokens
Parameters
—
Released
Apr 2026
Open weights
No
Frontier model
No

Compare Grok 4.3 with…

Grok 4.3 vs Grok 4.6 (US)$6.60/1MGrok 4.3 vs Gemma 3 12B IT$0.29/1MGrok 4.3 vs Gemma 3 4B IT$0.08/1MGrok 4.3 vs Claude Fable 5 (EU)$55.00/1MGrok 4.3 vs Qwen3-Coder 480B-A35B Instruct$1.80/1MGrok 4.3 vs Gemma 4 31B IT$0.40/1M

FAQ

How much does Grok 4.3 cost?

Grok 4.3 is priced at $1.25 per 1M input tokens and $2.50 per 1M output tokens. Output tokens cost more than input.

What is Grok 4.3's context window?

Grok 4.3 supports a context window of 1M tokens — the maximum prompt plus response length it can handle in a single request.

Is Grok 4.3 open weight?

No — Grok 4.3 is a closed/proprietary model accessed via API.

Data as of 2026-10-14. Source: models.dev (open). Pricing is per 1M tokens (USD); confirm with the provider before production use.