Compare OpenAI GPT-5.6 Terra with other AI models
See how GPT-5.6 Terra from OpenAI compares with other AI models on price, context length and features.
Overview
| Metric | GPT-5.6 Terra |
|---|---|
| Author | OpenAI |
| Type | Text |
| Context length | 1.05M tokens |
| Max output | 128K tokens |
| Reasoning | Yes |
| Input modalities | TextImage |
| Output modalities | Text |
| Knowledge cutoff | February 2026 |
| Served by | OpenAI via Oxyy |
| API | OpenAI-compatible/v1/chat/completions |
- Requests are sent to a healthy provider automatically; if one errors, the gateway retries against another serving the same model.
Pricing
| Metric | GPT-5.6 Terra |
|---|---|
| Input | $0.800 /1M inputStandard $2.00 |
| Output | $4.80 /1M outputStandard $12.00 |
| Cached input | $0.080 /1M cachedStandard $0.200 |
| Cache write | $1.00 /1M cache writeStandard $2.50 |
| Blended price (3:1 input:output) | $1.80 /1M tokens |
- GPT-5.6 Terra, prompts above 272K tokens: input $1.60, output $7.20, cached input $0.160 per 1M tokens.
- Includes the Launch Promo discount (60% off the standard price).
Performance
| Metric | GPT-5.6 Terra |
|---|---|
| Latency (p50, 7 days) | 4.58 s |
| Time to first token (p50) | 3.50 s |
| Throughput (p50) | 191.8 tok/s |
| Tokens (7 days) | 3.7M |
Visualize performance
- GPT-5.6 Terra
Features
| Metric | GPT-5.6 Terra |
|---|---|
| Tool use | Yes |
| Structured outputs | Yes |
| Prompt caching | Yes |
| Streaming | Yes |
| Web search | Yes |
| Image input | Yes |
Activity
| Metric | GPT-5.6 Terra |
|---|---|
| Tokens (30 days) | 11.5M tokens · last 30 days |
| Input tokens | 10.5M |
| Output tokens (excluding reasoning) | 814.6K |
| Reasoning tokens | 242.4K |
- Input 10.5M
- Output (excl. reasoning) 814.6K
- Reasoning 242.4K
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How this comparison is built
Prices are what Oxyy charges today; where a discount applies, the standard price is shown beside it. Context window, output limit, modalities and features come from the Oxyy model catalog. Latency, time to first token and throughput are medians measured on Oxyy traffic over the last 7 days (throughput from streaming requests only); a model with too little traffic shows a dash. Benchmark scores appear only with their source and date. Oxyy is an independent API gateway, not affiliated with the model vendors named on this page.