Model comparison
Grok 4.20 vs Claude Haiku 4.5
xAI
Grok 4.20
xAI's fourth-generation model with a 2M-token context window.
Anthropic
Claude Haiku 4.5
Fast, cheap, surprisingly capable for high-volume jobs.
Specs
| Metric | Grok 4.20 | Claude Haiku 4.5 |
|---|---|---|
| Context window | 2M tokens↑ | 200K tokens |
| Input $/1M tokens | $1.25 | $1.00↑ |
| Output $/1M tokens | $2.50↑ | $5.00 |
| Modalities | Text · Image · File | Text · Image · File |
| Open weights | No | No |
| Released | Mar 2026 | Oct 2025 |
Capability differences
| Capability | Grok 4.20 | Claude Haiku 4.5 |
|---|---|---|
| Prompt caching | No | Yes |
Key differences
- -Grok 4.20 offers 2M context; Claude Haiku 4.5 offers 200K.
- -Input pricing: Grok 4.20 at $1.25/1M vs Claude Haiku 4.5 at $1.00/1M.