AI tool comparison
GLM-5.1 vs Meta Llama 4
Which one should you ship with? Here is the side-by-side panel verdict, pricing read, reviewer split, and community vote comparison.
AI Models
GLM-5.1
#1 on SWE-Bench Pro — 744B MoE model that runs autonomously for 8 hours
50%
Panel ship
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Community
Paid
Entry
GLM-5.1 is Z.AI's post-training upgrade of the 744B Mixture-of-Experts GLM-5 model, and it has just claimed the top spot on SWE-Bench Pro with a score of 58.4 — beating GPT-5.4 (57.7), Claude Opus 4.6 (57.3), and Gemini 3.1 Pro (54.2). The model is designed for long-horizon agentic tasks and can run autonomously for up to 8 hours across thousands of iterations on a single problem. The agentic capabilities include extended context retention, tool-calling with recovery loops, and a reinforcement-trained "persistence" mode that keeps the model on-task through failures and dead ends rather than surfacing errors to the user. The model was trained entirely on Huawei Ascend 910B chips using the MindSpore framework — no US silicon, no CUDA. The geopolitical dimension is as significant as the technical one: GLM-5.1 is direct evidence that US export controls on Nvidia hardware have not meaningfully slowed China's frontier model development. The 8-hour autonomous execution window is also a step-change from current agentic systems that struggle past 20-30 minutes of coherent work — if this benchmark holds up in real-world testing, it's a genuine advancement in the class of problems AI agents can independently solve.
AI Models
Meta Llama 4
Open-weight multimodal MoE models with 10M context — free to run
100%
Panel ship
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Community
Free
Entry
Meta released Llama 4 Scout and Llama 4 Maverick on April 5, 2026 — the first open-weight natively multimodal models built with a Mixture-of-Experts (MoE) architecture. Scout is a 17B active parameter model with 16 experts that fits on a single NVIDIA H100, with an industry-leading 10 million token context window. Maverick is also 17B active parameters but with 128 experts, delivering performance that benchmarks comparably to GPT-4o and DeepSeek v3 on reasoning and coding tasks. Both models process text, images, and video inputs, and are freely available for download on Hugging Face and llama.com. Llama 4 Scout was trained on 40 trillion tokens of data. The MoE architecture means the models punch well above their weight in active parameter count — Scout competes with models 5-10x its size on many benchmarks, while keeping inference costs low. This release closes the gap between open and proprietary models significantly. Organizations that previously needed to pay for GPT-4o or Claude for multimodal tasks can now run comparable capability locally or via any cloud provider. For the open-source AI ecosystem, Llama 4 is the biggest release of 2026 so far.
Reviewer scorecard
“If the 8-hour autonomous execution claim is real and not cherry-picked, this changes the calculus for using AI on genuinely hard engineering problems. SWE-Bench Pro #1 is also a credible metric — I want to test this on my own repos immediately.”
“A multimodal MoE model that fits on a single H100 and handles 10M context is insane for the price of free. Scout is the model I'll be running for 80% of production workloads going forward — the economics versus GPT-4o or Claude don't even compare. Deploy it now.”
“SWE-Bench benchmarks have historically shown poor correlation with real-world coding productivity, and the '8-hour autonomous' claim needs independent validation. Z.AI is also a relatively unknown quantity compared to Anthropic or Google — API reliability and pricing are completely unproven.”
“I'll still reach for frontier proprietary models for the hardest reasoning tasks and production-critical applications where errors are costly. But I can't deny that Llama 4 Scout closes the gap more than I expected. The 10M context on Scout is genuinely unprecedented for open weights.”
“The strategic significance of a Chinese lab hitting #1 on the coding benchmark using zero US hardware cannot be overstated. The export control strategy is officially not working as intended, and GLM-5.1 will accelerate the geopolitical AI arms race in ways that reshape the entire industry.”
“Llama 4 will commoditize multimodal AI the same way Llama 2 commoditized text generation. The 10M context window in an open-weight model is a civilizational-level unlock for researchers, non-profits, and countries that can't afford to depend on US cloud providers for advanced AI.”
“For creative work, I need a model with strong multimodal capabilities and reliable API access — both unproven for GLM-5.1. The coding benchmark lead is impressive but not directly relevant to my workflows. I'll wait for independent reviews before switching.”
“An open-weight model that understands images and video means I can build custom creative pipelines without routing everything through proprietary APIs. For studios, agencies, and indie creators, Llama 4 fundamentally changes the cost structure of AI-assisted production.”
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