Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, GPT-4.5 Orion delivers higher overall intelligence and human-preferred responses (Elo 1,540 vs 1,248), while GPT-4.5 Orion leads in SWE-bench software engineering benchmarks (71%), while Claude 3 Opus is more budget-friendly at $75/1M per 1M output tokens, while GPT-4.5 Orion provides faster response streaming (60 tok/s). Review the complete breakdown below to determine which model best fits your performance and budget requirements.
9 direct benchmark disciplines evaluated across capability, speed, and cost
Original Claude 3 flagship. Kept so opus 3 vs later Opus and vs GPT-4o still resolve.
OpenAI largest dense non-reasoning model with expansive world knowledge and reduced hallucinations.
Δ 292 Arena Elo pts
60 tok/s
$75 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top Western standard models with China's leading frontier rival across 6 skill dimensions. Tap any spoke or dot to inspect.
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 | Claude 3 Opus | GPT-4.5 Orion | Advantage Delta |
|---|---|---|---|
| Preference Elo | +292 | ||
| Coding Elo | — | — | |
| LiveBench | +22.3% | ||
| SWE-bench | +32.6% | ||
| GPQA Diamond | +33.6% | ||
| Time to first token | +70 ms | ||
| Output speed | 48 tok/s | 60 tok/s | +12 tok/s |
| Input price | +$60/1M | ||
| Output price | $150/1M | +$75/1M | |
| Context window | +72k |
Simulate monthly production API costs in USD (US Dollar).
Claude 3 Opus is estimated to save $3,225.00/month ($38,700/year).
Higher SWE-bench (71%).
Lower output list price ($75/1M).
Lower TTFT (350 ms).
Larger window (200k).
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 | Claude 3 Opus | Lower output list price ($75/1M). |
| Voice / low-latency UI | GPT-4.5 Orion | Lower TTFT (350 ms). |
| Long-document RAG | Claude 3 Opus | Larger window (200k). |
| 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 Telemetry
