Detailed comparison of Gpt 5 and Grok AI models — pricing, context window, parameters, and more. Updated for 2026.
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| OpenAI: GPT-5.6 Luna Pro | 1050K | N/A | $0.10 | $0.60 | budget |
| OpenAI: GPT-5.6 Luna Pro (batch) | 1050K | N/A | $0.10 | $0.60 | budget |
| OpenAI: GPT-5.6 Luna | 1050K | N/A | $0.10 | $0.60 | budget |
| OpenAI: GPT-5.6 Luna (batch) | 1050K | N/A | $0.10 | $0.60 | budget |
| OpenAI: GPT-5.6 Terra Pro | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Terra Pro (batch) | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Terra | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Terra (batch) | 1050K | N/A | $1.00 | $6.00 | standard |
| OpenAI: GPT-5.6 Sol Pro | 1050K | N/A | $5.00 | $30.00 | premium |
| OpenAI: GPT-5.6 Sol Pro (batch) | 1050K | N/A | $2.50 | $15.00 | premium |
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| SpaceXAI: Grok 4.6 | 500K | N/A | $2.00 | $6.00 | standard |
| SpaceXAI: Grok 4.5 | 500K | N/A | $2.00 | $6.00 | standard |
| xAI: Grok Latest | 500K | N/A | $2.00 | $6.00 | standard |
| SpaceXAI: Grok Build 0.1 | 256K | N/A | $1.00 | $2.00 | standard |
| SpaceXAI: Grok 4.3 | 1000K | N/A | $1.25 | $2.50 | standard |
| SpaceXAI: Grok 4.20 Multi-Agent | 2000K | N/A | $1.25 | $2.50 | standard |
| SpaceXAI: Grok 4.20 | 2000K | N/A | $1.25 | $2.50 | standard |
Verdict computed from live catalog data (latest Gpt 5 and Grok models), so it stays current as providers update pricing and specs.
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