OpenAI · Frontier
GPT Latest
Compatibility alias that routes to GPT 6 Astra, the newest GPT flagship for complex reasoning, coding, and agentic workflows.
- Reasoning
- Tools
- Vision
- Structured output
- PDF input
- Input
- Text, Images
- Output
- Text
- Reasoning effort
- low · medium · high · xhigh · max
- Discovery tier
- Frontier
Pricing
USD per 1M tokens- Input
- $10.00
- Output
- $50.00
- Cache read
- $1.00
- Cache write
- $12.50
Reference prices as published by the model provider. API example
Specifications
- Context window
- 1.1M
- Max output
- 128K
- Average output (7 days)
- 311 tokens
- Longer than 33% of 465 models
Side by side
GPT Latest compared
Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.
| GPT LatestOpenAIThis model | GPT Chat LatestOpenAIRemove | |
|---|---|---|
| Provider | OpenAI | OpenAI |
| Discovery tier | Frontier | Frontier |
| Added | Mar 29, 2026 | May 3, 2026 |
| Limits | ||
| Context window | 1.05M | 1.05M |
| Max output | 128K | 128K |
| Average output | 311 tokens | 408 tokens |
| Pricing, USD per 1M tokens | ||
| Input | $10.00 | $2.00Best |
| Output | $50.00 | $10.00Best |
| Cache read | $1.00 | $0.20Best |
| Cache write | $12.50 | $2.50Best |
| Performance | ||
| Throughput | 112.2 tok/sBest | 41.4 tok/s |
| Time to first token | 24.3 s | 9.0 sBest |
| Request success (24h) | 97.3% | 100.0%Best |
| Benchmark indexes | ||
| Intelligence Index | 49.6Best | 47.0 |
| Coding Index | 76.7 | 77.4Best |
| Capabilities | ||
| Reasoning | Yes | Yes |
| Tools | Yes | Yes |
| Vision | Yes | Yes |
| Structured output | Yes | Yes |
| PDF input | Yes | Yes |
| Reasoning effort | low, medium, high, xhigh, max | 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 Latest
- GPT Chat Latest
Intelligence Index
- GPT Latest49.6
- GPT Chat Latest47.0
GPT Latest tested at medium reasoning effort
GPT Latest: Better than 96% of 326 scored models
Indexes
Coding Index
Composite of the coding evaluations
- GPT Latest: 76.7
- GPT Chat Latest: 77.4Top
Agentic work
AutomationBench-AA
Workflow automation, penalized for guardrail violations
- GPT Latest: 64.6%Top
- GPT Chat Latest: 60.1%
AutomationBench-AA tasks completed
Workflows finished end to end without a guardrail violation
- GPT Latest: 33.6%Top
- GPT Chat Latest: 30.3%
AA-Briefcasev1.1
Agentic knowledge work, rated head to head
- GPT Latest: 1,460 Elo
- GPT Chat Latest: 1,479 EloTop
GDPval-AAv2.1
Economically valuable occupational tasks, rated head to head
- GPT Latest: 1,487 Elo
- GPT Chat Latest: 1,609 EloTop
Document reasoning
GDP.pdf
Professional reasoning over PDF documents, all-pass rate
- GPT Latest: 30.4%Top
- GPT Chat Latest: 27.2%
AA-LCRv1.1
Reasoning across long documents
- GPT Latest: 79.7%
- GPT Chat Latest: 84.0%Top
MLCR-AA
Long-context reasoning over medical records
- GPT Latest: 38.3%Top
- GPT Chat Latest: 30.0%
Reasoning and knowledge
Humanity’s Last Exam
Expert-level questions across academic fields
- GPT Latest: 52.7%Top
- GPT Chat Latest: 49.5%
GPQA Diamond
Graduate-level science questions
- GPT Latest: 93.9%
- GPT Chat Latest: 94.1%Top
IFBench
Following precise output instructions
- GPT Latest: —
- GPT Chat Latest: 72.7%
Coding
Terminal-Benchv4.0
Practical software engineering in a terminal
- GPT Latest: 49.5%Top
- GPT Chat Latest: 39.9%
SciCode
Scientific computing in Python
- GPT Latest: 54.2%
- GPT Chat Latest: 57.1%Top
Legacy evaluations
Terminal-Bench Hard
Earlier terminal task suite
- GPT Latest: —
- GPT Chat Latest: 65.9%
τ²-Bench Telecom
Tool use in a customer-support simulation
- GPT Latest: —
- GPT Chat Latest: 85.1%
AA-LCR (unversioned)
Long-context reasoning, earlier grading
- GPT Latest: 79.7%
- GPT Chat Latest: 84.0%Top
Scores from Artificial Analysis, updated Oct 26, 2026. GPT 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.
- Throughput
- 112.2 tok/s
- Faster than 64% of 247 models
- Time to first token
- 24.3 s
- Quicker than 0% of 247 models
- Request success (24h)
- 97.6%
- Reliable
- 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-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-latest",
messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)OpenAI
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