GPT-5.6 Terra vs Grok 4.6 on Amazon Bedrock

In us-east-1, Grok 4.6 costs $2.00 per 1M input tokens against $2.00. Prices, context, capabilities and region coverage below.

openai.gpt-5.6-terra
Input / 1M
$2.00
Output / 1M
$12.00
Context
1M
Est. / month
$2,520
xai.grok-4.6
Input / 1M
$2.00
Output / 1M
$6.00
Context
500K
Est. / month
$1,980

Capabilities

Capability GPT-5.6 Terra Grok 4.6
Tool use
Vision
Prompt caching
Batch inference
Streaming

Region availability

Region GPT-5.6 Terra Grok 4.6
us-east-1 US East (N. Virginia) Inference profile only Inference profile only
us-east-2 US East (Ohio) Inference profile only Inference profile only
us-west-1 US West (N. California) Inference profile only Inference profile only
us-west-2 US West (Oregon) Inference profile only Inference profile only
ca-central-1 Canada (Central) Inference profile only Inference profile only
ca-west-1 Canada West (Calgary) Inference profile only Inference profile only
eu-west-1 EU (Ireland) Inference profile only Inference profile only
eu-west-2 EU (London) Inference profile only Inference profile only
eu-west-3 EU (Paris) Inference profile only Inference profile only
eu-central-1 EU (Frankfurt) Inference profile only Inference profile only
eu-central-2 Europe (Zurich) Inference profile only Inference profile only
eu-north-1 EU (Stockholm) Inference profile only Inference profile only
eu-south-1 EU (Milan) Inference profile only Inference profile only
eu-south-2 Europe (Spain) Inference profile only Inference profile only
ap-east-2 Asia Pacific (Taipei) Inference profile only Inference profile only
ap-northeast-1 Asia Pacific (Tokyo) Inference profile only Inference profile only
ap-northeast-2 Asia Pacific (Seoul) Inference profile only Inference profile only
ap-northeast-3 Asia Pacific (Osaka) Inference profile only Inference profile only
ap-south-1 Asia Pacific (Mumbai) Inference profile only Inference profile only
ap-south-2 Asia Pacific (Hyderabad) Inference profile only Inference profile only
ap-southeast-1 Asia Pacific (Singapore) Inference profile only Inference profile only
ap-southeast-2 Asia Pacific (Sydney) Inference profile only Inference profile only
ap-southeast-3 Asia Pacific (Jakarta) Inference profile only Inference profile only
ap-southeast-4 Asia Pacific (Melbourne) Inference profile only Inference profile only
ap-southeast-5 Asia Pacific (Malaysia) Inference profile only Inference profile only
ap-southeast-7 Asia Pacific (Thailand) Inference profile only Inference profile only
il-central-1 Israel (Tel Aviv) Inference profile only Inference profile only
sa-east-1 South America (Sao Paulo) Inference profile only Inference profile only

28 of 31 regions support both models.

Common questions

Is GPT-5.6 Terra or Grok 4.6 cheaper on Amazon Bedrock?
Grok 4.6 is cheaper on input tokens: $2.00 against $2.00 per 1M in us-east-1. At 2,000 runs a day with 12,000 input and 1,500 output tokens each, that is $1,980 against $2,520 a month before any caching or batch discount.
Does GPT-5.6 Terra or Grok 4.6 have the larger context window?
GPT-5.6 Terra, at 1M tokens against 500K.
Which regions support GPT-5.6 Terra and Grok 4.6?
GPT-5.6 Terra runs in 28 of the 31 AWS regions tracked here and Grok 4.6 in 28. 28 regions support both, so a workload that may switch between them should target one of those.

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