Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, GPT-4o is more budget-friendly at $10/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
3 benchmarks evaluated across capability, speed, and cost
Previous OpenAI flagship. Still a common compare baseline on legacy pages.
Auto-discovered from OpenRouter (~moonshotai/kimi-latest). Preview until a second source matches.
Single model data
No latency data
$10 / 1M output
Relative percentile scores computed across all active models in the benchmark catalog.
Comparing top standard models across 6 key capability 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 | GPT-4o | MoonshotAI Kimi Latest | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 110 tok/s | — | — |
| Input price | $2.5/1M | $2.6/1M | +$0.1/1M |
| Output price | +$3/1M | ||
| Context window | +921k |
Simulate monthly production API costs in USD (US Dollar).
GPT-4o is estimated to save $48.50/month ($582/year).
Need SWE-bench on both sides.
Lower output list price ($10/1M).
Need TTFT on both sides.
Larger window (1M).
GPT-4o is the side marked multimodal in the catalog.
| Target Workload | Recommended Pick | Evaluation Rationale |
|---|---|---|
| Repo / coding agents | insufficient data | Need SWE-bench on both sides. |
| High-volume chat | GPT-4o | Lower output list price ($10/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | MoonshotAI Kimi Latest | Larger window (1M). |
| Screenshots / vision | GPT-4o | GPT-4o is the side marked multimodal in the catalog. |
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Verified Head-to-Head Telemetry
