GPT-5.6 Luna vs Grok 4.6 on Amazon Bedrock
In us-east-1, GPT-5.6 Luna costs $0.200 per 1M input tokens against $2.00 — a 10.0× difference. Prices, context, capabilities and region coverage below.
GPT-5.6 Luna OpenAI
openai.gpt-5.6-luna - Input / 1M
- $0.200
- Output / 1M
- $1.20
- Context
- 1M
- Est. / month
- $252.00
Capabilities
| Capability | GPT-5.6 Luna | Grok 4.6 |
|---|---|---|
| Tool use | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Prompt caching | ✓ | ✓ |
| Batch inference | — | — |
| Streaming | ✓ | ✓ |
Region availability
| Region | GPT-5.6 Luna | 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 Luna or Grok 4.6 cheaper on Amazon Bedrock?
- GPT-5.6 Luna is cheaper on input tokens: $0.200 against $2.00 per 1M in us-east-1, a 10.0× difference. At 2,000 runs a day with 12,000 input and 1,500 output tokens each, that is $252.00 against $1,980 a month before any caching or batch discount.
- Does GPT-5.6 Luna or Grok 4.6 have the larger context window?
- GPT-5.6 Luna, at 1M tokens against 500K.
- Which regions support GPT-5.6 Luna and Grok 4.6?
- GPT-5.6 Luna 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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- Claude Fable 5 vs GPT-5.6 Luna GPT-5.6 Luna costs 50× less per input token than Claude Fable 5.
- GPT-5.6 Sol vs Grok 4.6 Grok 4.6 costs 2.0× less per input token than GPT-5.6 Sol, and GPT-5.6 Sol holds 1M tokens against 500K for Grok 4.6.
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- Grok 4.6 vs Nova 2 Lite Nova 2 Lite costs 6.7× less per input token than Grok 4.6, and only Grok 4.6 does tool use (Nova 2 Lite does not).