Detailed comparison of Claude and Grok AI models — pricing, context window, parameters, and more. Updated for 2026.
| Model | Context | Parameters | Input Price | Output Price | Tier |
|---|---|---|---|---|---|
| Claude Opus 5 (Fast) | 1000K | N/A | $10.00 | $50.00 | premium |
| Claude Opus 5 | 1000K | N/A | $5.00 | $25.00 | premium |
| Claude Opus 5 (batch) | 1000K | N/A | $2.50 | $12.50 | premium |
| Anthropic: Claude Sonnet 5 | 1000K | N/A | $2.00 | $10.00 | standard |
| Anthropic: Claude Sonnet 5 (batch) | 1000K | N/A | $1.00 | $5.00 | standard |
| Anthropic: Claude Fable Latest | 1000K | N/A | $10.00 | $50.00 | premium |
| Anthropic: Claude Fable 5 | 1000K | N/A | $10.00 | $50.00 | premium |
| Anthropic: Claude Fable 5 (batch) | 1000K | N/A | $5.00 | $25.00 | premium |
| Anthropic: Claude Opus 4.8 (Fast) | 1000K | N/A | $10.00 | $50.00 | premium |
| Anthropic: Claude Opus 4.8 | 1000K | N/A | $5.00 | $25.00 | 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 Claude and Grok models), so it stays current as providers update pricing and specs.
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