OpenAI · Frontier
GPT Terra Latest
Compatibility alias that routes to GPT 5.6 Terra, the latest supported GPT Terra model.
- Reasoning
- Tools
- Vision
- Structured output
- PDF input
- Input
- Text, Images
- Output
- Text
- Reasoning effort
- none · low · medium · high · xhigh · max
- Discovery tier
- Frontier
Pricing
USD per 1M tokens- Input
- $2.00
- Output
- $12.00
- Cache read
- $0.20
- Cache write
- $2.50
Reference prices as published by the model provider. API example
Specifications
- Context window
- 1.1M
- Max output
- 128K
- Average output (7 days)
- 223 tokens
- Longer than 23% of 465 models
Side by side
GPT Terra Latest compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| GPT Terra LatestOpenAIThis model | Gemini Pro LatestGoogleRemove | |
|---|---|---|
| Provider | OpenAI | |
| Discovery tier | Frontier | Frontier |
| Added | Sep 11, 2026 | Mar 29, 2026 |
| Limits | ||
| Context window | 1.05MBest | 1.05M |
| Max output | 128KBest | 65.54K |
| Average output | 223 tokens | — |
| Pricing, USD per 1M tokens | ||
| Input | $2.00 | $2.00 |
| Output | $12.00 | $12.00 |
| Cache read | $0.20 | $0.20 |
| Cache write | $2.50 | $0.38Best |
| Performance | ||
| Throughput | — | 36.1 tok/s |
| Time to first token | — | 8.7 s |
| Request success (24h) | 100.0% | 100.0% |
| Benchmark indexes | ||
| Intelligence Index | 30.1Best | 29.7 |
| Coding Index | 64.7 | 68.8Best |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | Yes | Yes |
| Vision | Yes | Yes |
| Structured output | Yes | Yes |
| PDF input | Yes | No |
| Audio input | No | Yes |
| Video input | No | Yes |
| Reasoning effort | none, low, medium, high, xhigh, max | — |
Public evaluations
Benchmarks
Independent evaluation results, with how each score ranks among the models in the Noumen catalog.
- GPT Terra Latest
- Gemini Pro Latest
Intelligence Index
- GPT Terra Latest30.1
- Gemini Pro Latest29.7
GPT Terra Latest tested at medium reasoning effort
GPT Terra Latest: Better than 73% of 326 scored models
Indexes
Coding Index
Composite of the coding evaluations
- GPT Terra Latest: 64.7
- Gemini Pro Latest: 68.8Top
Agentic work
AutomationBench-AA
Workflow automation, penalized for guardrail violations
- GPT Terra Latest: 33.5%
- Gemini Pro Latest: 35.4%Top
AutomationBench-AA tasks completed
Workflows finished end to end without a guardrail violation
- GPT Terra Latest: 7.2%
- Gemini Pro Latest: 9.4%Top
Harvey LAB-AAv1.1
Legal tasks passed in full, with no material hallucination
- GPT Terra Latest: —
- Gemini Pro Latest: 0.0%
AA-Briefcasev1.1
Agentic knowledge work, rated head to head
- GPT Terra Latest: 1,038 EloTop
- Gemini Pro Latest: 456 Elo
GDPval-AAv2.1
Economically valuable occupational tasks, rated head to head
- GPT Terra Latest: 1,266 EloTop
- Gemini Pro Latest: 791 Elo
Document reasoning
GDP.pdf
Professional reasoning over PDF documents, all-pass rate
- GPT Terra Latest: 17.0%
- Gemini Pro Latest: 17.8%Top
AA-LCRv1.1
Reasoning across long documents
- GPT Terra Latest: 74.0%
- Gemini Pro Latest: 82.0%Top
MLCR-AA
Long-context reasoning over medical records
- GPT Terra Latest: 22.8%Top
- Gemini Pro Latest: 11.1%
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- GPT Terra Latest: 33.3%
- Gemini Pro Latest: 47.0%Top
GPQA Diamond
Graduate-level science questions
- GPT Terra Latest: 87.2%
- Gemini Pro Latest: 94.1%Top
IFBench
Following precise output instructions
- GPT Terra Latest: 62.2%
- Gemini Pro Latest: 77.1%Top
Coding
Terminal-Benchv4.0
Practical software engineering in a terminal
- GPT Terra Latest: 1.0%
- Gemini Pro Latest: 4.0%Top
SciCode
Scientific computing in Python
- GPT Terra Latest: 50.5%
- Gemini Pro Latest: 58.7%Top
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- GPT Terra Latest: —
- Gemini Pro Latest: 53.8%
τ²-Bench Telecom
Tool use in a customer-support simulation
- GPT Terra Latest: 72.8%
- Gemini Pro Latest: 95.6%Top
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- GPT Terra Latest: 74.0%
- Gemini Pro Latest: 82.0%Top
Scores from Artificial Analysis, updated Oct 26, 2026. GPT Terra Latest was tested at medium reasoning effort; compare scores measured at the same effort.Artificial Analysis
Live routing data
Performance and reliability
Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.
- Prompt cache hits
- 82.5%
- About $0.52 per 1M input tokens with caching
- Request success (24h)
- 100.0%
- Reliable
Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.
- Healthy (98% or more)
- Degraded (90–98%)
- Down (under 90%)
- No requests
Developers
Use it through the API
Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.
curl https://www.noumen.xyz/api/v1/chat/completions \
-H "Authorization: Bearer $NOUMEN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "openai/gpt-terra-latest",
"reasoning_effort": "medium",
"messages": [{ "role": "user", "content": "Explain this stack trace." }]
}'import os
from openai import OpenAI
client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
model="openai/gpt-terra-latest",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)OpenAI
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