Source-tracked model comparison

Kimi K2.7 Code vs gpt-5.6-sol: which costs less for a practical API workload?

Compare verified pricing and model limits for API pricing and workload fit across providers. The cost example uses a classification and routing workload and does not assume equal model quality.

Direct cost answer: GPT-5.6 Sol is estimated at $2,950.00 per month and Kimi K2.7 Code at $492.50 for 700 input tokens, 80 output tokens, and 500,000 monthly requests. Kimi K2.7 Code is $2,457.50 lower under these assumptions. This does not identify a quality winner.
Current provider alternativesClassification and routingSources checked 2026-07-13 / 2026-07-17
Tracked facts

Pricing and model limits

Prices are USD per 1M tokens under each model's verified default profile.

FieldGPT-5.6 SolKimi K2.7 Code
API access providerOpenAIKimi API
Model creatorOpenAIMoonshot AI
API model IDgpt-5.6-solkimi-k2.7-code
Input / 1M$5.00$0.95
Cached input / 1M$0.50$0.19
Output / 1M$30.00$4.00
Context window1,050,000 tokens262,144 tokens
Maximum output128,000 tokensUnavailable tokens
Accepted inputtext, imagetext
Example workload

Classification and routing cost scenario

700 input and 80 output tokens per request, 500,000 monthly requests, and 0% cached input.

OpenAI

GPT-5.6 Sol

$2,950.00 / month
Input cost
$1,750.00
Output cost
$1,200.00
Per 1,000 calls
$5.90
Pricing profile
standard / short context
View model details
Moonshot AI

Kimi K2.7 Code

$492.50 / month
Input cost
$332.50
Output cost
$160.00
Per 1,000 calls
$0.985
Pricing profile
standard
View model details

Cost result: Kimi K2.7 Code is $2,457.50 lower per month for these assumptions. This is a price comparison, not a model-quality ranking.

StackLens assessment

Questions to answer before choosing

  • Which model meets the required quality threshold on representative inputs?
  • How do output length, retries, and caching change the measured cost?
  • Which provider and deployment path fit the team's operational requirements?
Workload caveat

What this estimate leaves out

Quality and latency are not assumed equal across models; validate labels on a representative evaluation set.

Latency, reliability, output quality, retries, regional processing, and provider-specific tool charges can change the practical decision.