Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
This page compares DeepSeek R1 (DeepSeek) and OpenAI: GPT-5.4 Image 2 (OpenAI) using the latest snapshots we have as of Aug 17, 2026. DeepSeek R1 wins on output price at $2.5/1M. OpenAI: GPT-5.4 Image 2 has the larger context window (272k tokens). Every cell below is a dated snapshot from a named public source — we do not invent missing scores, and we do not run SWE-bench ourselves.
OpenAI
OpenAI: GPT-5.4 Image 2Auto-discovered from OpenRouter (openai/gpt-5.4-image-2). Preview until a second source matches.
enable_reasoningReasoning models scale test-time compute by generating hidden chain-of-thought (CoT) tokens. These tokens are billed at standard output rates and directly expand latency (TTFT) in exchange for higher GPQA Diamond and SWE-bench Verified problem resolve rates.
Standard large-scale RL reasoning trace with self-correction.
"enable_reasoning": true
"reasoning": {
"effort": "medium",
"max_tokens": 2800
}Instant pairwise benchmark recalculation across 400+ LLMs
Category wins across intelligence, speed, and pricing efficiency.
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
Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.
No shared data
No shared data
$12.50/1M cheaper
Simulate monthly production API costs in USD (US Dollar).
DeepSeek R1 is estimated to save $443.00/month ($5,316/year).
Need SWE-bench on both sides.
Lower output list price ($2.5/1M).
Need TTFT on both sides.
Larger window (272k).
OpenAI: GPT-5.4 Image 2 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 | DeepSeek R1 | Lower output list price ($2.5/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | OpenAI: GPT-5.4 Image 2 | Larger window (272k). |
| Screenshots / vision | OpenAI: GPT-5.4 Image 2 | OpenAI: GPT-5.4 Image 2 is the side marked multimodal in the catalog. |
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Verified head-to-head card