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Put models side by side on price, context, capabilities, and benchmarks.

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Gemini 3.1 Pro Preview is Google's advanced reasoning model improving long-horizon stability and tool orchestration over Gemini 3 Pro, with a new medium thinking level to balance cost, speed, and performance. It excels at agentic coding, structured planning, multimodal analysis, and workflow automation for autonomous agents and enterprise tasks.

Writing, Literature, & Language#12Entertainment, Sports, & Media#13Legal & Government#16Life, Physical, & Social Science#17
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AuthorGoogle
Country🇺🇸 United States
ReleasedFeb 19, 2026
Overview
Cost rate
2x
Context
1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$2.00
Cached input$0.20
Output$12.00
Context
Context length1,048,576
Max output tokens65,536
Knowledge cutoff-
Performance
Throughput132 tok/s
Latency21.04s

GPT-6 Luna is the fast, low-cost tier of OpenAI's GPT-6 series (1.05M-token context, text, image, and file input, $0.10/$0.50 per million input/output tokens), released September 22, 2026 below GPT-6 Sol and the flagship GPT-6 Astra. It is built for high-volume tasks with a clear goal, such as summarization, extraction, classification, quick questions, and lightweight agentic steps.

Image understanding#66Mathematical#70Software & IT Services#78Entertainment, Sports, & Media#87
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AuthorOpenAI
Country🇺🇸 United States
ReleasedSep 22, 2026
Overview
Cost rate
0.1x
Context
1.1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$0.10
Cached input$0.01
Output$0.50
Context
Context length1,050,000
Max output tokens128,000
Knowledge cutoff-
Performance
Throughput-
Latency-

Benchmarks

Head-to-head scores across reasoning, coding, and agentic indices, plus per-domain rankings.

Intelligence

57.6
Claude Opus 5.5 (Max, Default Fallback)
56.0
Claude Sonnet 5.5 (Max, Default Fallback)
53.4
Claude Fable 5.1 (Max, Default Fallback)
52.7
GPT-6 Astra (Max)
34.6
GPT-6 Luna
29.7
Gemini 3.1 Pro Preview

Coding

81.6
Claude Fable 5.1 (Max, Default Fallback)
78.3
GPT-5.6 Sol (Xhigh)
78.0
Claude Opus 5 (Max)
77.1
GPT-6 Astra (High)
76.8
Grok 4.6 (High)
68.8
Gemini 3.1 Pro Preview

GPT-6 Luna has no data

Automation & Tool Use

57.9
Claude Fable 5.1 (Max, Default Fallback)
56.5
Claude Opus 5 (Max)
56.0
Qwen3.8 Max (0902)
55.5
Muse Spark 1.3 (Max)
53.1
GLM-5.3 (Max)
8.2
Gemini 3.1 Pro Preview

GPT-6 Luna has no data

Intelligence, coding & agentic scores from Artificial Analysis.

Software & IT Services

arena.ai
1562
Gemini 4 Argon (High)
1540
Claude Opus 4.7 (High)
1539
Claude Fable 5 (High)
1538
Claude Opus 5.5 (High)
1537
Claude Opus 4.6 (High)
1534
Muse Wonder (Max)
1531
Muse Spark 1.2 (xHigh)
1531
Claude Fable 5.1 (Max)
1513
Gemini 3.1 Pro Preview
1488
GPT-6 Luna

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