GPT-6.1 Terra vs Kimi K2.5
Pick up to 3 models · pricing, context and capabilities · simulate your product cost
Data updated on November 14, 2026· 230 models
GPT-6.1 Terra is the mid-tier model in OpenAI's GPT-6.1 series, priced below GPT-6.1 Sol.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- ▲1.1 M tokens
- Max output
- 128 K
- Input, $ per 1M tokens
- $1.00
- Output, $ per 1M tokens
- $5.00
- Cache read, $ per 1M
- $0.050
- Batch (input / output)
- $0.500 / $2.50
- Tool calling
- Yes
- Released
- ▲10/26/2026
- Knowledge cutoff
- 2026-06-01
- API id
- openai/gpt-6.1-terra
Kimi K2.5 is Moonshot AI's native multimodal model, delivering state-of-the-art visual coding capability and a self-directed agent swarm paradigm.
- Reasoning estimated
- Speed estimated
- Input
- Output
- Context
- 262 K tokens
- Max output
- ▲236 K
- Input, $ per 1M tokens
- ▲$0.500
- Output, $ per 1M tokens
- ▲$2.50
- Cache read, $ per 1M
- $0.150
- Batch (input / output)
- —
- Tool calling
- Yes
- Released
- 01/27/2026
- Knowledge cutoff
- 2025-01
- API id
- moonshotai/kimi-k2.5
Which is the better API choice: GPT-6.1 Terra vs Kimi K2.5?
- Kimi K2.5: cheapest input (50% less than GPT-6.1 Terra)
- Kimi K2.5: cheapest output
- GPT-6.1 Terra: largest context (1.1 M)
- GPT-6.1 Terra: the newest (10/26/2026)
Kimi K2.5 costs 50% less on input and 50% less on output than GPT-6.1 Terra ($0.500 / $2.50 versus $1.00 / $5.00 per million tokens). GPT-6.1 Terra accepts more context (1.1 M). GPT-6.1 Terra offers a batch tier at half price for jobs that do not need an immediate answer.
What would your product cost?
Estimate the monthly cost with your app's real volume. List prices, no cache or batch discounts.
With Kimi K2.5 you save $17.50 a month versus GPT-6.1 Terra (50% less).
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Paste your prompt: tokens and cost per model
Rough estimate (about 4 characters per token). Nothing is sent to any server.
Cost of sending it 1,000 times (input only)
- 1Claude Haiku 5.5 Anthropic$0.008
- 2Kimi K2.5 Moonshot$0.038
- 3GPT-6.1 Terra OpenAI$0.076
- 4Claude Sonnet 5.5 Anthropic$0.152
- 5Claude Opus 5.5 Anthropic$0.304
- 6Claude Opus 5 Anthropic$0.380
- 7Claude Fable 5.2 Anthropic$0.608
- 8Claude Fable 5.1 Anthropic$0.760
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See allFrequently asked questions
Which is the better API choice: GPT-6.1 Terra vs Kimi K2.5?
Kimi K2.5 costs 50% less on input and 50% less on output than GPT-6.1 Terra ($0.500 / $2.50 versus $1.00 / $5.00 per million tokens). GPT-6.1 Terra accepts more context (1.1 M). GPT-6.1 Terra offers a batch tier at half price for jobs that do not need an immediate answer.
Which is cheaper: GPT-6.1 Terra and Kimi K2.5?
Kimi K2.5 is cheaper: $0.500 per million input tokens and $2.50 per million output tokens, versus $1.00 / $5.00 for GPT-6.1 Terra.
Which has more context: GPT-6.1 Terra and Kimi K2.5?
GPT-6.1 Terra accepts 1.1 M tokens of context; Kimi K2.5 accepts 262 K.
Which is newer: GPT-6.1 Terra and Kimi K2.5?
GPT-6.1 Terra was released on 10/26/2026; Kimi K2.5 on 01/27/2026.
What would 10,000 requests a month cost with GPT-6.1 Terra and Kimi K2.5?
With 1,500 input and 400 output tokens per request: GPT-6.1 Terra: $35.00; Kimi K2.5: $17.50 a month, at list price.
Where do the prices come from and how often are they updated?
From the public catalogs of OpenRouter, models.dev and LiteLLM, which publish each provider's list prices. They sync once a day and the last update date is shown above the comparison.
What does price per million tokens mean?
It is what the provider charges per million tokens you send (input) or the model generates (output). A token is roughly 4 characters. Output almost always costs more than input.
Sources: OpenRouter, models.dev and LiteLLM. Prices in USD per million tokens, list price, no volume discounts. Prompt tokens are an estimate; each provider's tokenizer may differ.