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Comparison of GLM-5.3, Reflection: Beam 1.0 501B A23B
2 modelszai-orgGLM-5.3Remove ×reflectionReflection: Beam 1.0 501B A23BRemove ×
What’s differentReuses the GLM-5.2 base with new post-training; exposes low, high and max reasoning effort, defaulting to max.Apache-2.0 text model with 501B total and 23B active parameters; ships BF16, FP8 and NVFP4 weights.
DateAug 18, 2026ReleasedOct 16, 2026Released
Listed rate$0.079 in / $1.40 out/ 1M tokensWafer · via OpenRouter · all routes ↗wafer/us · quantization=fp4$0.25 in / $1.00 out/ 1M tokensNebius · via OpenRouter · all routes ↗nebius/fp8 · quantization=fp8
Provider endpoints59 endpoints →6 endpoints →
AA Intelligence ↗4.3.244.78 ↗Effort: max · MaxIndependent result30.33 ↗Effort not specifiedIndependent result
AA-Briefcase ↗1.11,506.86 ↗Effort: max · MaxIndependent result976.2 ↗Effort not specifiedIndependent result
GDPval-AA ↗2.11,650.31 ↗Effort: max · MaxIndependent result1,177.08 ↗Effort not specifiedIndependent result
AutomationBench-AA ↗AA Index 4.3.2 collection62.2% ↗Effort: max · MaxIndependent result48.46% ↗Effort not specifiedIndependent result
Terminal-Bench 4.0 · AA ↗41.92% ↗Effort: max · MaxHarness unreportedIndependent result3.03% ↗Effort not specifiedHarness unreportedIndependent result
SciCode ↗AA Index 4.3.2 collection59.03% ↗AA · Under reviewEffort: max · MaxIndependent result48.5% ↗AA · Under reviewEffort not specifiedIndependent result
Humanity’s Last Exam ↗AA Index 4.3.2 collection42.26% ↗Effort: max · MaxIndependent result34.66% ↗Effort not specifiedIndependent result
GDP.pdf ↗AA Index 4.3.2 collection11.2% ↗Effort: max · MaxIndependent result11.6% ↗Effort not specifiedIndependent result
CritPt ↗AA Index 4.3.2 collection19.14% ↗AA · Under reviewEffort: max · MaxIndependent result13.14% ↗AA · Under reviewEffort not specifiedIndependent result
AA-Omniscience ↗AA Index 4.3.2 collection14.3 ↗Effort: max · MaxIndependent result1.5 ↗Effort not specifiedIndependent result
AA-LCR ↗1.179.67% ↗Effort: max · MaxIndependent result78% ↗Effort not specifiedIndependent result
LiveBench ↗2.0 · 2026-10-14 (dataset 2026-09-02)60.74% ↗Effort: max · single run · equal mean of 7 suitesIndependent result55.5% ↗Effort: max · single run · equal mean of 7 suitesIndependent result
LiveBench Design ↗2.0 · 2026-10-14 (dataset 2026-09-02)77.3% ↗Effort: max · single runIndependent result67.9% ↗Effort: max · single runIndependent result
LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02)73.2% ↗Effort: max · single runIndependent result72.8% ↗Effort: max · single runIndependent result
LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02)0% ↗Effort: max · single runIndependent result0% ↗Effort: max · single runIndependent result
LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02)82.8% ↗Effort: max · single runIndependent result83.9% ↗Effort: max · single runIndependent result
LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02)35.9% ↗Effort: max · single runIndependent result17.3% ↗Effort: max · single runIndependent result
LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02)70.2% ↗Effort: max · single runIndependent result66.4% ↗Effort: max · single runIndependent result
LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02)85.8% ↗Effort: max · single runIndependent result80.2% ↗Effort: max · single runIndependent result
Context window1M1M
Max output943.7K943.7K
Parameters—501B
Tool callingSupportedSupported
Structured outputSupportedSupported
ReasoningSupportedSupported
Prompt cachingSupportedSupported
Open weightsSupportedSupported

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