API cost decision in 10 seconds

GPT-5.6 Terra vs MoonshotAI Kimi Latest

Pick GPT-5.6 Terra when budget and context both matter.

Page updated: 2026-08-17T15:08:04Z Data confirmed: 2026-08-23T12:07:48Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT-5.6 Terra when budget and context both matter.

On the standard 1M input plus 500K output workload, GPT-5.6 Terra is estimated at $8 vs $9.1 for MoonshotAI Kimi Latest, saving $1.1 (12.1% lower).

Cost-first pickGPT-5.6 Terra

Context-first pickGPT-5.6 Terra

Sample savings$1.112.1%

10x traffic gap$11

GPT-5.6 Terra is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $11. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GPT-5.6 Terra stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	GPT-5.6 Terra	MoonshotAI Kimi Latest
Input-heavy / RAG	5M input + 500K output	GPT-5.6 Terra	$16	$19.5
Balanced workload	1M input + 1M output	GPT-5.6 Terra	$14	$15.6
Output-heavy chatbot	1M input + 5M output	GPT-5.6 Terra	$62	$67.6

Cheaper input GPT-5.6 Terra $2 vs $2.6 / 1M

GPT-5.6 Terra is $0.6 cheaper per 1M input tokens (23.1% lower; 1.3x difference).

Cheaper output GPT-5.6 Terra $12 vs $13 / 1M

GPT-5.6 Terra is $1 cheaper per 1M output tokens (7.7% lower; 1.08x difference).

Larger context GPT-5.6 Terra 1.05M vs 1.05M

GPT-5.6 Terra has 1.42K more context (1x larger).

Sample workload GPT-5.6 Terra $8 vs $9.1

GPT-5.6 Terra is $1.1 cheaper on the standard workload (12.1% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

GPT-5.6 Terra Calculating… Estimated API cost

MoonshotAI Kimi Latest Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

GPT-5.6 Terra has the lower input price; GPT-5.6 Terra has the lower output price; GPT-5.6 Terra offers the larger context window. For the 1M input plus 500K output sample, GPT-5.6 Terra is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $8 for GPT-5.6 Terra and $9.1 for MoonshotAI Kimi Latest.

Best Fit

Choose GPT-5.6 Terra when you care most about lower input-token price, lower output-token price, and larger context window.

Choose MoonshotAI Kimi Latest when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, GPT-5.6 Terra is estimated at $8 vs $9.1 for MoonshotAI Kimi Latest, saving $1.1 (12.1% lower).
GPT-5.6 Terra is $1.1 cheaper on the standard workload (12.1% lower).
GPT-5.6 Terra is $0.6 cheaper per 1M input tokens (23.1% lower; 1.3x difference).
GPT-5.6 Terra is $1 cheaper per 1M output tokens (7.7% lower; 1.08x difference).
GPT-5.6 Terra has 1.42K more context (1x larger).

Head-to-Head Specs

Feature	GPT-5.6 Terra (OpenAI)	MoonshotAI Kimi Latest (MoonshotAI)
Input Price prompt tokens per 1M	$2	$2.6
Completion Price per 1M tokens	$12	$13
Sample Workload Cost 1M input + 500K output	$8	$9.1
Context Window	1.05M	1.05M
Release Date	2026-07-09	2026-04-27

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	GPT-5.6 Terra	On the standard 1M input plus 500K output workload, GPT-5.6 Terra is estimated at $8 vs $9.1 for MoonshotAI Kimi Latest, saving $1.1 (12.1% lower).
High-volume input processing	GPT-5.6 Terra	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	GPT-5.6 Terra	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT-5.6 Terra	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

gpt-oss-120b (free) can replace GPT-5.6 Terra when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT-5.6 Terra when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT-5.6 Terra when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT-5.6 Terra when lower sample workload cost matters most: $0.12.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.

Popular competitors

DeepSeek V4 Flash 0731 · DeepSeek · #1
MiMo-V2.5 · Xiaomi · #2
Hy3 · Tencent · #3
Ox Alpha · stealth · #4

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OpenAI catalog

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