GLM-5-Turbo vs GPT-5.2-Codex

Side-by-side benchmark comparison across agentic, coding, multimodal, knowledge, reasoning, and math workflows.

Benchmark data for one or both models is coming soon. This page currently shows metadata and pricing where BenchLM has it, and score-level comparisons will populate as public benchmark results land.

BenchLM does not have sourced benchmark coverage for GLM-5-Turbo yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

GPT-5.2-Codex is priced at $2.00 input / $8.00 output per 1M tokens, versus $1.20 input / $4.00 output per 1M tokens for GLM-5-Turbo. GPT-5.2-Codex has the larger context window at 400K, compared with 200K for GLM-5-Turbo.

Quick Verdict

Benchmark data for GLM-5-Turbo and GPT-5.2-Codex is coming soon on BenchLM.

Agentic

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
Terminal-Bench 2.0
90
Coming soon
BrowseComp
85
Coming soon
OSWorld-Verified
85

Coding

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
HumanEval
95
Coming soon
SWE-bench Verified
76
Coming soon
LiveCodeBench
66
Coming soon
SWE-bench Pro
86

Multimodal & Grounded

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
MMMU-Pro
84
Coming soon
OfficeQA Pro
92

Reasoning

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
SimpleQA
95
Coming soon
MuSR
93
Coming soon
BBH
90
Coming soon
LongBench v2
90
Coming soon
MRCRv2
91

Knowledge

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
MMLU
99
Coming soon
GPQA
97
Coming soon
SuperGPQA
95
Coming soon
OpenBookQA
93
Coming soon
MMLU-Pro
80
Coming soon
HLE
26
Coming soon
FrontierScience
86

Instruction Following

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
IFEval
92

Multilingual

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
MGSM
91
Coming soon
MMLU-ProX
87

Mathematics

Coming soon

Comparable scores for this category are coming soon. One or both models do not have sourced results here yet.

Coming soon
AIME 2023
99
Coming soon
AIME 2024
99
Coming soon
AIME 2025
98
Coming soon
HMMT Feb 2023
95
Coming soon
HMMT Feb 2024
97
Coming soon
HMMT Feb 2025
96
Coming soon
BRUMO 2025
96
Coming soon
MATH-500
94

Frequently Asked Questions

Can I compare GLM-5-Turbo 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 GLM-5-Turbo and GPT-5.2-Codex today?

GLM-5-Turbo: $1.20 input / $4.00 output per 1M tokens GPT-5.2-Codex: $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.

Last updated: March 16, 2026

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