Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
GPT-5.2 Pro
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GPT-5.3-Codex-Spark
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Benchmark data for GPT-5.2 Pro and GPT-5.3-Codex-Spark is coming soon on BenchLM.
GPT-5.2 Pro
GPT-5.3-Codex-Spark
$25 / $150
$null / $null
N/A
N/A
N/A
N/A
400K
256K
Benchmark data for GPT-5.2 Pro and GPT-5.3-Codex-Spark is coming soon on BenchLM.
BenchLM does not have sourced benchmark coverage for GPT-5.2 Pro and GPT-5.3-Codex-Spark yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
GPT-5.2 Pro has the larger context window at 400K, compared with 256K for GPT-5.3-Codex-Spark.
Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still 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.
GPT-5.2 Pro: $25.00 input / $150.00 output per 1M tokens GPT-5.3-Codex-Spark: Pricing unavailable Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.
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