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GPT-5.6 Sol benchmarks, ranks and price

Where Artificial Analysis, LiveBench, LMArena and Berkeley BFCL place GPT-5.6 Sol, what it costs through OpenRouter and Vercel AI Gateway, and the models either side of it on the consensus.

Updated Oct 1, 2026Full leaderboardSources and method

Read Oct 1, 2026

#3of 85

on the LLM leaderboard, with a consensus score of 83 across 3 leaderboards.

Source: Artificial Analysis, LiveBench, LMArena and Berkeley BFCL, combined by Rank.ai.

By leaderboard

Where each leaderboard places GPT-5.6 Sol

Artificial Analysis

#3of 51

Score 47.0. Best run: openai/gpt-5.6-sol.

Intelligence Index: a composite of reasoning, knowledge, maths and coding evaluations.

LiveBench

#3of 34

Score 79.7. Best run: GPT 5.6 Sol xHigh.

Contamination-limited questions refreshed each release: reasoning, maths, coding, data analysis, language.

LMArena

#8of 79

Score 1485. Best run: gpt-5.6-sol-xhigh.

Blind head-to-head human votes, style controlled.

Berkeley BFCL

Not measured by Berkeley BFCL.

Function calling and tool use, single turn to multi turn and web search.

Price and context

$4.00

OpenRouter: $2.00 in, $10 out. Vercel AI Gateway: $4.00 in, $20 out Context window 1.1M tokens. LiveBench cost per solved task $0.355.

Nearby

The models either side of GPT-5.6 Sol

  1. #1Claude Fable 585
  2. #2Claude Opus 583
  3. #3GPT-5.6 Sol83
  4. #4Kimi K380
  5. #5GPT-5.580
  6. #6gemini-3-pro79

Questions about GPT-5.6 Sol

How good is GPT-5.6 Sol?
GPT-5.6 Sol ranks #3 of 85 models on the Rank.ai LLM leaderboard, with a consensus score of 83 out of 100 across 3 leaderboards.
Is GPT-5.6 Sol better than Claude Opus 5?
Not on the consensus: Claude Opus 5 scores 83 to GPT-5.6 Sol's 83. Compare them source by source below, since the leaderboards test different things.
Is GPT-5.6 Sol better than Kimi K3?
On the consensus, yes: 83 to 80.
How much does GPT-5.6 Sol cost?
$2.00 per million input tokens and $10 per million output tokens on OpenRouter, the cheaper listing we read. Blended at three input tokens to one output, that is $4.00 per million.
Is GPT-5.6 Sol good for coding?
It scores 77.4 on the Artificial Analysis Coding Index, placing it #2 for coding among the models on this leaderboard.

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  • The pages AI readsThe sources behind each answer.
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