Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)
In this head-to-head showdown, OpenAI: GPT-5.6 Terra Pro (batch) is more budget-friendly at $6/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.
2024 workhorse. Still a high-intent compare against GPT-4o.
Auto-discovered from OpenRouter (openai/gpt-5.6-terra-pro:batch). Preview until a second source matches.
Single model data
No latency data
$6 / 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 | Claude 3.5 Sonnet | OpenAI: GPT-5.6 Terra Pro (batch) | Advantage Delta |
|---|---|---|---|
| Preference Elo | — | — | |
| LiveBench | — | — | |
| SWE-bench | — | — | |
| GPQA Diamond | — | — | |
| Time to first token | — | — | |
| Output speed | 80 tok/s | — | — |
| Input price | OpenAI: GPT-5.6 Terra Pro (batch) (+$2/1M) | ||
| Output price | OpenAI: GPT-5.6 Terra Pro (batch) (+$9/1M) | ||
| Context window | OpenAI: GPT-5.6 Terra Pro (batch) (+850k) |
Simulate monthly production API costs in USD (US Dollar).
OpenAI: GPT-5.6 Terra Pro (batch) is estimated to save $205.00/month ($2,460/year).
Need SWE-bench on both sides.
Lower output list price ($6/1M).
Need TTFT on both sides.
Larger window (1.1M).
Claude 3.5 Sonnet 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 | OpenAI: GPT-5.6 Terra Pro (batch) | Lower output list price ($6/1M). |
| Voice / low-latency UI | insufficient data | Need TTFT on both sides. |
| Long-document RAG | OpenAI: GPT-5.6 Terra Pro (batch) | Larger window (1.1M). |
| Screenshots / vision | Claude 3.5 Sonnet | Claude 3.5 Sonnet is the side marked multimodal in the catalog. |
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Verified head-to-head card
