Pairwise benchmark snapshot · Aug 1, 2026
In this head-to-head showdown, GPT-4o delivers higher overall intelligence and human-preferred responses (Elo 1,335 vs 1,224), while GPT-4o leads in SWE-bench software engineering benchmarks (54.8%), while Claude 3.5 Haiku 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.
9 direct benchmark disciplines evaluated across capability, speed, and cost
Previous cheap Claude. Haiku 4.5 is the current $1/$5 SKU.
Previous OpenAI flagship. Still a common compare baseline on legacy pages.
Δ 111 Arena Elo pts
140 tok/s
$4 / 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 3.5 Haiku | GPT-4o | Advantage Delta |
|---|---|---|---|
| Preference Elo | +111 | ||
| LiveBench | +9.4% | ||
| SWE-bench | +18.6% | ||
| GPQA Diamond | +19.1% | ||
| Time to first token | +70 ms | ||
| Output speed | 140 tok/s | 110 tok/s | +30 tok/s |
| Input price | $0.8/1M | $2.5/1M | +$1.7/1M |
| Output price | +$6/1M | ||
| Context window | +72k |
Simulate monthly production API costs in USD (US Dollar).
Claude 3.5 Haiku is estimated to save $149.50/month ($1,794/year).
Higher SWE-bench (54.8%).
Lower output list price ($4/1M).
Lower TTFT (110 ms).
Larger window (200k).
Both accept images. Defaulting to the higher-Elo side (GPT-4o).
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | GPT-4o | Higher SWE-bench (54.8%). |
| High-volume chat | Claude 3.5 Haiku | Lower output list price ($4/1M). |
| Voice / low-latency UI | Claude 3.5 Haiku | Lower TTFT (110 ms). |
| Long-document RAG | Claude 3.5 Haiku | Larger window (200k). |
| Screenshots / vision | GPT-4o | Both accept images. Defaulting to the higher-Elo side (GPT-4o). |
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