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

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Mistral Large 4 is Mistral AI's flagship multimodal mixture-of-experts model (about 1.05T total, 49B active parameters, 1.6B vision encoder), released in public preview on October 6, 2026 with a 1M-token context window (524K on OpenRouter) and open weights planned for later in October. It targets complex reasoning, coding, agentic workflows, and multilingual and image-understanding tasks as the successor to Mistral Large 3.

Image understanding#52Mathematical#72Software & IT Services#98Business, Management, & Finance#98
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AuthorMistral
Country🇫🇷 France
ReleasedOct 6, 2026
Overview
Cost rate
0.9x
Context
1M
Input
Output
Reasoning
Tool calling
Structured outputs
Pricing/M tokens
Input$1.36
Cached input$0.14
Output$4.18
Context
Context length1,048,576
Max output tokens262,144
Knowledge cutoff-
Performance
Throughput-
Latency-

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)
38.4
Mistral Large 4
34.6
GPT-6 Luna

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)
76.7
GPT-5.6 Terra (Max)

Mistral Large 4 has no data

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)
53.0
Grok 4.6 (High)

Mistral Large 4 has no data

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)
1488
GPT-6 Luna
1478
Mistral Large 4

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