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| 2 models | zai-orgGLM-5.3Remove × | stepfun-aiStep-5-PreviewRemove × |
|---|---|---|
| What’s different | Reuses the GLM-5.2 base with new post-training; exposes low, high and max reasoning effort, defaulting to max. | 600B total and 27B active parameters; accepts images and video, with FP8 and BF16 weights for deployment. |
| Date | Aug 18, 2026Released | Sep 18, 2026Released |
API prices USD · provider configuration shown below | ||
| Listed rate | $0.079 in / $1.40 out/ 1M tokensWafer · via OpenRouter · all routes ↗wafer/us · quantization=fp4 | $1.00 in / $2.70 out/ 1M tokensDeepInfra · all routes ↗ |
| Provider endpoints | 59 endpoints → | 6 endpoints → |
Benchmarks Each result retains its evaluation configuration | ||
| AA Intelligence ↗4.3.2 | 44.78 ↗Effort: max · MaxIndependent result | 43.73 ↗Effort not specifiedIndependent result |
| AA-Briefcase ↗1.1 | 1,506.86 ↗Effort: max · MaxIndependent result | 1,424.32 ↗Effort not specifiedIndependent result |
| GDPval-AA ↗2.1 | 1,650.31 ↗Effort: max · MaxIndependent result | 1,586.63 ↗Effort not specifiedIndependent result |
| AutomationBench-AA ↗AA Index 4.3.2 collection | 62.2% ↗Effort: max · MaxIndependent result | 50.96% ↗Effort not specifiedIndependent result |
| Terminal-Bench 4.0 · AA ↗ | 41.92% ↗Effort: max · MaxHarness unreportedIndependent result | 33.33% ↗Effort not specifiedHarness unreportedIndependent result |
| SciCode ↗AA Index 4.3.2 collection | 59.03% ↗AA · Under reviewEffort: max · MaxIndependent result | 58.91% ↗AA · Under reviewEffort not specifiedIndependent result |
| Humanity’s Last Exam ↗AA Index 4.3.2 collection | 42.26% ↗Effort: max · MaxIndependent result | 46.48% ↗Effort not specifiedIndependent result |
| GDP.pdf ↗AA Index 4.3.2 collection | 11.2% ↗Effort: max · MaxIndependent result | 14.8% ↗Effort not specifiedIndependent result |
| CritPt ↗AA Index 4.3.2 collection | 19.14% ↗AA · Under reviewEffort: max · MaxIndependent result | 20.86% ↗AA · Under reviewEffort not specifiedIndependent result |
| AA-Omniscience ↗AA Index 4.3.2 collection | 14.3 ↗Effort: max · MaxIndependent result | 16.38 ↗Effort not specifiedIndependent result |
| AA-LCR ↗1.1 | 79.67% ↗Effort: max · MaxIndependent result | 88.33% ↗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 result | 62.01% ↗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 result | 76.9% ↗Effort: max · single runIndependent result |
| LiveBench Research ↗2.0 · 2026-10-14 (dataset 2026-09-02) | 73.2% ↗Effort: max · single runIndependent result | 72.8% ↗Effort: max · single runIndependent result |
| LiveBench Browser Use ↗2.0 · 2026-10-14 (dataset 2026-09-02) | 0% ↗Effort: max · single runIndependent result | 24% ↗Effort: max · single runIndependent result |
| LiveBench Coding ↗2.0 · 2026-10-14 (dataset 2026-09-02) | 82.8% ↗Effort: max · single runIndependent result | 85.6% ↗Effort: max · single runIndependent result |
| LiveBench Agentic ↗2.0 · 2026-10-14 (dataset 2026-09-02) | 35.9% ↗Effort: max · single runIndependent result | 27.5% ↗Effort: max · single runIndependent result |
| LiveBench Data Analysis ↗2.0 · 2026-10-14 (dataset 2026-09-02) | 70.2% ↗Effort: max · single runIndependent result | 63.5% ↗Effort: max · single runIndependent result |
| LiveBench Reasoning ↗2.0 · 2026-10-14 (dataset 2026-09-02) | 85.8% ↗Effort: max · single runIndependent result | 83.8% ↗Effort: max · single runIndependent result |
Specifications | ||
| Context window | 1M | 1M |
| Max output | 943.7K | 64K |
| Parameters | — | — |
| Tool calling | Supported | Supported |
| Structured output | Supported | Supported |
| Image input | Not reported | Supported |
| Video input | Not reported | Supported |
| Reasoning | Supported | Supported |
| Prompt caching | Supported | Supported |
| Open weights | Supported | Supported |