Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.
Claude Opus 4.7
93
GPT-5.3-Codex-Spark
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Verified leaderboard positions: Claude Opus 4.7 #2 · GPT-5.3-Codex-Spark unranked
Benchmark data for Claude Opus 4.7 and GPT-5.3-Codex-Spark is coming soon on BenchLM.
Claude Opus 4.7
GPT-5.3-Codex-Spark
$5 / $25
$2 / $8
N/A
N/A
N/A
N/A
1M
256K
Benchmark data for Claude Opus 4.7 and GPT-5.3-Codex-Spark is coming soon on BenchLM.
BenchLM does not have sourced benchmark coverage for GPT-5.3-Codex-Spark yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.
Claude Opus 4.7 is priced at $5.00 input / $25.00 output per 1M tokens, versus $2.00 input / $8.00 output per 1M tokens for GPT-5.3-Codex-Spark. Claude Opus 4.7 has the larger context window at 1M, 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.
Claude Opus 4.7: $5.00 input / $25.00 output per 1M tokens GPT-5.3-Codex-Spark: $2.00 input / $8.00 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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