GPT-6.1 Terra

by OpenAIopenai/gpt-6.1-terra

  • Text
  • No route yet
  • Released

LLMCompare cannot run GPT-6.1 Terra yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.

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GPT-6.1 Terra at a glance

Context length
1,050,000 tokens
Maximum output
128,000 tokens
Accepts
Text, Image, File
Returns
Text
Features
ReasoningJSON outputTool callingPrompt cachingImage input
Reasoning effort levels
maxxhighhighmediumlownoneReasoning can be turned off.
Released
26 Oct 2026
Knowledge cutoff
Not published

Model facts synced from the OpenRouter model list on 26 Oct 2026.

GPT-6.1 Terra pricing by route

A route is the service LLMCompare calls to reach the model. GPT-6.1 Terra has 1 route. Prices are in US dollars.

Prices of GPT-6.1 Terra on each route
RouteOn LLMCompareInputper 1M tokensOutputper 1M tokensCache readper 1M tokensCache writeper 1M tokensPrice verified onSource
OpenRouterDefaultNot configured$1.00$5.00$0.05$1.25openrouter.ai/openai/gpt-6.1-terra

The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.

Cost calculator

Estimate what a batch of calls to GPT-6.1 Terra costs. The starting numbers are examples. Change them to match your task.

Part of the input tokens above, billed at the cache read price.

Billed in addition to the output tokens.

Cost per call
$0.0035
5 credits
Cost of 100 calls
$0.35
500 credits

Calculated from the OpenRouter prices verified on 26 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.

Parameters you can set

These are the parameters LLMCompare can set when it calls the model through OpenRouter.

Parameters of GPT-6.1 Terra
ParameterTypeRange or optionsDefault
max_tokensInteger1 to 128,000Provider default
reasoning_effortOne ofmaxxhighhighmediumlownonemedium
seedInteger-2,147,483,648 to 4,294,967,295Provider default
response_formatOne oftextjson_objectProvider default

About GPT-6.1 Terra

GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol. It is suited for everyday agentic, coding, and writing work, is particularly strong at understanding screenshots...

Description as published for this model. LLMCompare has not edited it.

Models to compare with GPT-6.1 Terra

Text models from the same provider and models at the nearest price. The order is not a ranking.

Models to compare with GPT-6.1 Terra
Add to comparisonModelContextMax outputInput priceper 1M tokensOutput priceper 1M tokensFeaturesReleasedOn LLMCompare
o4 Mini HighOpenAIopenai/o4-mini-high200k100k$1.10$4.40ReasoningJSONToolsCacheVisionNo route yet
o4 MiniOpenAIopenai/o4-mini200k100k$1.10$4.40JSONToolsCacheVisionNo route yet
o3 Mini HighOpenAIopenai/o3-mini-high200k100k$1.10$4.40ReasoningJSONToolsCacheNo route yet
Claude Haiku 4.5Anthropicanthropic/claude-haiku-4.5200k64k$1.00$5.00JSONToolsCacheVisionNo route yet
Qwen3.7 MaxQwenqwen/qwen3.7-max1M131k$1.48$4.43JSONToolsCacheNo route yet
GLM 5.1Z.aiz-ai/glm-5.1205k131k$1.40$4.40JSONToolsCacheNo route yet

Questions about GPT-6.1 Terra

How much does GPT-6.1 Terra cost?
On the OpenRouter route, GPT-6.1 Terra costs $1.00 per 1 million input tokens and $5.00 per 1 million output tokens, in US dollars. Input tokens that GPT-6.1 Terra reads from the prompt cache cost $0.05 per 1 million tokens. LLMCompare verified this price on 26 Oct 2026.
What is the context length of GPT-6.1 Terra?
GPT-6.1 Terra has a context length of 1,050,000 tokens and returns up to 128,000 output tokens in one call.
What inputs does GPT-6.1 Terra accept?
GPT-6.1 Terra accepts these inputs: Text, Image, File. GPT-6.1 Terra returns: Text.
Which reasoning effort levels does GPT-6.1 Terra support?
GPT-6.1 Terra supports these reasoning effort levels: max, xhigh, high, medium, low, none. Reasoning can be turned off for GPT-6.1 Terra.
Can I test GPT-6.1 Terra on my own data?
Not yet. LLMCompare lists the prices and parameters of GPT-6.1 Terra, but no route to GPT-6.1 Terra is configured on LLMCompare, so it cannot be selected for an evaluation.