GLM-5-Turbo vs GPT-5.3-Codex-Spark

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-5.3-Codex-Spark 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-5.3-Codex-Spark has the larger context window at 256K, compared with 200K for GLM-5-Turbo.

Quick Verdict

Benchmark data for GLM-5-Turbo and GPT-5.3-Codex-Spark 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
82
Coming soon
OSWorld-Verified
83

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
91
Coming soon
SWE-bench Verified
80
Coming soon
LiveCodeBench
80
Coming soon
SWE-bench Pro
85

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
86
Coming soon
OfficeQA Pro
91

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
94
Coming soon
MuSR
92
Coming soon
BBH
97
Coming soon
LongBench v2
91
Coming soon
MRCRv2
92

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
97
Coming soon
GPQA
95
Coming soon
SuperGPQA
93
Coming soon
OpenBookQA
91
Coming soon
MMLU-Pro
88
Coming soon
HLE
42
Coming soon
FrontierScience
88

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
94
Coming soon
MMLU-ProX
89

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

Frequently Asked Questions

Can I compare GLM-5-Turbo and GPT-5.3-Codex-Spark 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-5.3-Codex-Spark today?

GLM-5-Turbo: $1.20 input / $4.00 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.

Last updated: March 16, 2026

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