Agents-A1 vs GPT-5.2-Codex
Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Verdict
GPT-5.2-Codex leads for most workloads.
Based on BenchLM composite scores, July 2026.
Agents-A1
63
GPT-5.2-Codex
72
Benchmark data for Agents-A1 and GPT-5.2-Codex is coming soon on BenchLM.
Category Radar
Head-to-Head by Category
Operational Comparison
Agents-A1
GPT-5.2-Codex
N/A
$1.75 / $14
N/A
123 t/s
N/A
87.34s
262K
400K
Quick Verdict
Benchmark data for Agents-A1 and GPT-5.2-Codex is coming soon on BenchLM.
BenchLM has partial data for these models, but not enough overlapping benchmark coverage to produce a fair score-level comparison yet.
GPT-5.2-Codex has the larger context window at 400K, compared with 262K for Agents-A1.
Benchmark Deep Dive
Frequently Asked Questions (3)
Can I compare Agents-A1 and GPT-5.2-Codex on BenchLM yet?
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.
Why does this comparison show “coming soon”?
BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.
What data is available for Agents-A1 and GPT-5.2-Codex today?
GPT-5.2-Codex: $1.75 input / $14.00 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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