Grok 4.5 vs Ornith-1.0-397B
Head-to-head comparison across 2benchmark 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.
Grok 4.5
75
Ornith-1.0-397B
73
Pick Grok 4.5 if you want the stronger benchmark profile. Ornith-1.0-397B only becomes the better choice if coding is the priority or you want the cheaper token bill.
Category Breakdown
| Benchmark | Grok 4.5 | Δ | Ornith-1.0-397B |
|---|---|---|---|
| Agentic | 83.3 | ← 5.8 | 77.5 |
| Coding | 64.7 | → 5.0 | 69.7 |
Operational Comparison
Grok 4.5
Ornith-1.0-397B
$2 / $6
$0 / $0
N/A
N/A
N/A
N/A
500K
256K
Quick Verdict
Pick Grok 4.5 if you want the stronger benchmark profile. Ornith-1.0-397B only becomes the better choice if coding is the priority or you want the cheaper token bill.
Grok 4.5 has the cleaner provisional overall profile here, landing at 75 versus 73. It is a real lead, but still close enough that category-level strengths matter more than the headline number.
Grok 4.5's sharpest advantage is in agentic, where it averages 83.3 against 77.5. The single biggest benchmark swing on the page is Terminal-Bench 2.0, 83.3% to 77.5%. Ornith-1.0-397B does hit back in coding, so the answer changes if that is the part of the workload you care about most.
Grok 4.5 is also the more expensive model on tokens at $2.00 input / $6.00 output per 1M tokens, versus $0.00 input / $0.00 output per 1M tokens for Ornith-1.0-397B. That is roughly Infinityx on output cost alone. Grok 4.5 gives you the larger context window at 500K, compared with 256K for Ornith-1.0-397B.
Benchmark Deep Dive
Frequently Asked Questions (3)
Which is better, Grok 4.5 or Ornith-1.0-397B?
Grok 4.5 is ahead on BenchLM's provisional leaderboard, 75 to 73. The biggest single separator in this matchup is Terminal-Bench 2.0, where the scores are 83.3% and 77.5%.
Which is better for coding, Grok 4.5 or Ornith-1.0-397B?
Ornith-1.0-397B has the edge for coding in this comparison, averaging 69.7 versus 64.7. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
Which is better for agentic tasks, Grok 4.5 or Ornith-1.0-397B?
Grok 4.5 has the edge for agentic tasks in this comparison, averaging 83.3 versus 77.5. Inside this category, Terminal-Bench 2.0 is the benchmark that creates the most daylight between them.
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