Pairwise benchmark snapshot · Aug 17, 2026
In this head-to-head showdown, GPT-4.5 Orion delivers higher overall intelligence and human-preferred responses (Elo 1,540 vs 1,475), while GPT-4.5 Orion leads in SWE-bench software engineering benchmarks (71%), while Z.ai: GLM 5V Turbo is more budget-friendly at $4/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
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OpenAI largest dense non-reasoning model with expansive world knowledge and reduced hallucinations.
Δ 65 Arena Elo pts
112 tok/s
$4 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
Category wins across reasoning intelligence, generation speed, and token cost.
Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy
Generation throughput and time to first token responsiveness
Cost per million tokens and max context window length
| Benchmark | Z.ai: GLM 5V Turbo | GPT-4.5 Orion | Advantage Delta |
|---|---|---|---|
| Preference Elo | GPT-4.5 Orion (+65) | ||
| Coding Elo | GPT-4.5 Orion (+38) | ||
| LiveBench | GPT-4.5 Orion (+4.7%) | ||
| SWE-bench | GPT-4.5 Orion (+5.8%) | ||
| GPQA Diamond | GPT-4.5 Orion (+6.6%) | ||
| Time to first token | Z.ai: GLM 5V Turbo (+170 ms) | ||
| Output speed | 112 tok/s | 60 tok/s | Z.ai: GLM 5V Turbo (+52 tok/s) |
| Input price | $1.2/1M | Z.ai: GLM 5V Turbo (+$73.8/1M) | |
| Output price | $150/1M | Z.ai: GLM 5V Turbo (+$146/1M) | |
| Context window | Z.ai: GLM 5V Turbo (+75k) |
Simulate monthly production API costs in USD (US Dollar).
Z.ai: GLM 5V Turbo is estimated to save $4,773.00/month ($57,276/year).
Higher SWE-bench (71%).
Lower output list price ($4/1M).
Lower TTFT (180 ms).
Larger window (203k).
Both accept images. Defaulting to the higher-Elo side (GPT-4.5 Orion).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | GPT-4.5 Orion | Higher SWE-bench (71%). |
| High-volume chat | Z.ai: GLM 5V Turbo | Lower output list price ($4/1M). |
| Voice / low-latency UI | Z.ai: GLM 5V Turbo | Lower TTFT (180 ms). |
| Long-document RAG | Z.ai: GLM 5V Turbo | Larger window (203k). |
| Screenshots / vision | GPT-4.5 Orion | Both accept images. Defaulting to the higher-Elo side (GPT-4.5 Orion). |
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Verified head-to-head card
