Model comparison
Claude Haiku 4.5 vs Grok 4.20
Anthropic
Claude Haiku 4.5
Fast, cheap, surprisingly capable for high-volume jobs.
xAI
Grok 4.20
xAI's fourth-generation model with a 2M-token context window.
Specs
| Metric | Claude Haiku 4.5 | Grok 4.20 |
|---|---|---|
| Context window | 200K tokens | 2M tokens↑ |
| Input $/1M tokens | $1.00↑ | $1.25 |
| Output $/1M tokens | $5.00 | $2.50↑ |
| Modalities | Text · Image · File | Text · Image · File |
| Open weights | No | No |
| Released | Oct 2025 | - |
Capability differences
| Capability | Claude Haiku 4.5 | Grok 4.20 |
|---|---|---|
| Prompt caching | Yes | No |
Key differences
- -Claude Haiku 4.5 offers 200K context; Grok 4.20 offers 2M.
- -Input pricing: Claude Haiku 4.5 at $1.00/1M vs Grok 4.20 at $1.25/1M.