Claude Haiku 4.5 vs Grok 4.5
Head-to-head comparison across 1benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
Grok 4.5 leads for most workloads.
Based on BenchLM composite scores, July 2026.
Claude Haiku 4.5
55
Grok 4.5
75
Pick Grok 4.5 if you want the stronger benchmark profile. Claude Haiku 4.5 only becomes the better choice if coding is the priority or you want the cheaper token bill.
Category Radar
Head-to-Head by Category
Category Breakdown
| Benchmark | Claude Haiku 4.5 | Δ | Grok 4.5 |
|---|---|---|---|
| Coding | 73.3 | ← 8.6 | 64.7 |
| Agentic | — | — | 83.3 |
Operational Comparison
Claude Haiku 4.5
Grok 4.5
$1 / $5
$2 / $6
N/A
N/A
N/A
N/A
200K
500K
Quick Verdict
Pick Grok 4.5 if you want the stronger benchmark profile. Claude Haiku 4.5 only becomes the better choice if coding is the priority or you want the cheaper token bill.
Grok 4.5 is clearly ahead on the provisional aggregate, 75 to 55. The gap is large enough that you do not need to squint at the spreadsheet to see the difference.
Grok 4.5 is also the more expensive model on tokens at $2.00 input / $6.00 output per 1M tokens, versus $1.00 input / $5.00 output per 1M tokens for Claude Haiku 4.5. Grok 4.5 is the reasoning model in the pair, while Claude Haiku 4.5 is not. That usually helps on harder chain-of-thought-heavy tests, but it can also mean more latency and more token spend in real use. Grok 4.5 gives you the larger context window at 500K, compared with 200K for Claude Haiku 4.5.
Benchmark Deep Dive
Frequently Asked Questions (2)
Which is better, Claude Haiku 4.5 or Grok 4.5?
Grok 4.5 is ahead on BenchLM's provisional leaderboard, 75 to 55.
Which is better for coding, Claude Haiku 4.5 or Grok 4.5?
Claude Haiku 4.5 has the edge for coding in this comparison, averaging 73.3 versus 64.7. Grok 4.5 stays close enough that the answer can still flip depending on your workload.
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