Skip to content
TokenGate
OpenAICurrent

GPT-5.6 Sol API pricing

OpenAI's GPT-5.6 flagship tier for complex professional work, coding and agentic workflows.

Get API AccessView API example

How much does GPT-5.6 Sol API cost?

GPT-5.6 Sol costs $4.00 per 1 million input tokens and $20.00 per 1 million output tokens through TokenGate.

TokenGate API pricing
ModelInput tokens / 1MCached input / 1MOutput tokens / 1M
GPT-5.6 Sol$4.00$0.40$20.00
  • Current promotional pricing.
  • Prompts above 272K input tokens use higher long-context token pricing.

Estimate GPT-5.6 Sol API cost

Estimated monthly cost (USDT)$140.00USDT

Estimated TokenGate cost, denominated in USDT.

Use GPT-5.6 Sol with the OpenAI SDK

curl https://api.tokengate.com/v1/chat/completions \
  -H "Authorization: Bearer $TOKENGATE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-5.6-sol","messages":[{"role":"user","content":"Hello"}]}'

Change the model identifier to use another supported model through the same TokenGate integration.

Model specifications

Provider
OpenAI
API model identifier
gpt-5.6-sol
Generation
5.6
Provider lifecycle
Active
Context window
1.05M
Maximum output tokens
128K
Input modalities
Text, Image
Output modalities
Text
Capabilities
Streaming, Function calling, Structured outputs, Vision, Reasoning, Tool use, Web search, Computer use

Best for

  • Complex reasoning
  • Coding
  • Agents
  • Knowledge work

Access GPT-5.6 Sol through TokenGate

Use supported models through a single TokenGate integration.

  • · One API integration
  • · OpenAI-compatible interface
  • · Payment in USDT
Get API Access

Frequently asked questions

Related models

AnthropicNew

Claude Fable 5.1

Anthropic's most capable generally available model for ambitious coding, long-running agents, research and complex knowledge work.

Input / 1M
$10.00
Output / 1M
$50.00
Context
—
Generation
5.1

Streaming · Function calling · Vision

Claude Fable 5.1 API pricing
AnthropicCurrent

Claude Opus 5

Anthropic's Opus model for advanced coding, reasoning, long-running agents and professional knowledge work.

Input / 1M
$5.00
Output / 1M
$25.00
Context
—
Generation
5

Streaming · Function calling · Vision

Claude Opus 5 API pricing
xAICurrent

Grok 4.6

xAI's current flagship model for coding, agentic tasks, tool use and general knowledge work.

Input / 1M
$2.00
Output / 1M
$6.00
Context
500K
Generation
4.6

Function calling · Structured outputs · Vision

Grok 4.6 API pricing
View ModelsView PricingRead the QuickstartOpenAI

TokenGate