A
Anthropic
2 current models
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AI coding platform
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1 current models
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3 current models
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xAI
1 current models
Model catalog
Current models
A
FeaturedAnthropic
Claude Opus 4.8
Anthropic's most capable model for demanding agentic work.
Context
1,000K
Input / 1M
$5
Long tasksCodingCareful reasoning
Verified 2026-07-27Official source
O
FeaturedOpenAI
GPT-5.6 Sol
Frontier model for complex professional reasoning and coding.
Context
1,050K
Input / 1M
$5
Complex codingAgentsDeep reasoning
Verified 2026-07-27Official source
GGoogle
FeaturedGemini 3.6 Flash
Google's intelligent, speed-focused model with search and grounding.
Context
1,000K
Input / 1M
$1.5
SpeedMultimodalGrounding
Verified 2026-07-27Official source
x
FeaturedxAI
Grok 4.5
xAI's flagship model for reasoning with a large context window.
Context
500K
Input / 1M
$2
ReasoningCurrent informationLarge context
Verified 2026-07-27Official source
O
OpenAI
GPT-5.6 Terra
Balanced frontier intelligence for cost-aware production work.
Context
1,050K
Input / 1M
$2.5
Balanced valueCodingReasoning
Verified 2026-07-27Official source
O
OpenAI
GPT-5.6 Luna
Cost-sensitive model for high-volume production workloads.
Context
1,050K
Input / 1M
$1
High volumeFast iterationLow cost
Verified 2026-07-27Official source
A
Anthropic
Claude Sonnet 4.6
A strong balance of intelligence, speed, and practical cost.
Context
1,000K
Input / 1M
$3
DebuggingImplementationWriting
Verified 2026-07-27Official source
T
What is a token?
A token is a small piece of text a model reads or writes. API providers often price usage by millions of input and output tokens.
Token volume is not the same as useful work. A long answer can use more tokens while saving less time, which is why AI Stack puts developer-equivalent hours and successful outcomes first.