Model comparison
Claude Haiku 4.5 vs Grok 3
Anthropic
Claude Haiku 4.5
Fast, cheap, surprisingly capable for high-volume jobs.
xAI
Grok 3
xAI's bet on inference compute, wired into X for fresh context.
Specs
| Metric | Claude Haiku 4.5 | Grok 3 |
|---|---|---|
| Context window | 200K tokens↑ | 131K tokens |
| Input $/1M tokens | $1.00↑ | $3.00 |
| Output $/1M tokens | $5.00↑ | $15.00 |
| Modalities | Image · Text | Text |
| Open weights | No | No |
| Released | Oct 2025 | — |
Capability differences
| Capability | Claude Haiku 4.5 | Grok 3 |
|---|---|---|
| Prompt caching | Yes | No |
Key differences
- —Claude Haiku 4.5 offers 200K context; Grok 3 offers 131K.
- —Input pricing: Claude Haiku 4.5 at $1.00/1M vs Grok 3 at $3.00/1M.