GPT-5.6 Sol vs Grok Build 0.1
Market Position
LiveBench Quality Versus Estimated Output Cost
This current-market view appears only when both compared models are reviewed current models with publisher-reported LiveBench token accounting and current sourced USD output rates.
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | GPT-5.6 Sol | Grok Build 0.1 |
|---|---|---|
| IntelligenceHigher is better · MM Intelligence v1.2 | #4 of 2285.2 score | UnrankedNot in the 22-model eligible cohort |
| CostLower is better · Published-token output estimate | #20 of 36$0.117 per LiveBench case | #1 of 36$0.0020 per LiveBench case |
| EfficiencyHigher is better · MM Efficiency v1.0 | #3 of 2263.6 score | UnrankedNot in the 22-model eligible cohort |
Ranks come from the current complete eligible cohorts. Green highlights appear only when both models are ranked in the same metric. Missing required inputs remain unranked, and the three dimensions are not collapsed into an overall winner.
Benchmark Performance
Available Benchmarks
| Benchmark | GPT-5.6 Sol | Grok Build 0.1 |
|---|---|---|
| LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · leader | 9.76100% of row best · score · GPT 5.6 Sol (xHigh); 95% CI [8.23209281, 11.28769899]; sessions 28524; observations 2917301; rank 4 | -11.3181% of row best · score · Grok Build 0.1; 95% CI [-12.50212956, -10.11963476]; sessions 74459; observations 5587414; rank 53 |
| LiveBench2026-06-25 · overall · leader | 85.26100% of row best · percent · gpt-5.6-sol-max · 11,729 output tokens / case | 71.0983% of row best · percent · grok-build-0.1 · 980 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 2 benchmark winsOverall lead | 0 benchmark wins |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | GPT-5.6 Sol | Grok Build 0.1 |
|---|---|---|
| Developer | OpenAI | xAI |
| Family | Gpt 5 6 | Grok Build |
| Model | GPT-5.6 Sol | Grok Build 0.1 |
| Version | GPT-5.6 Sol | Grok Build 0.1 |
| Lifecycle | active | preview |
| Released | Unknown | 2026-05-29 |
| Knowledge cutoff | 2026-02-16 | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,050K | 256K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Openai (Standard), Openrouter (Standard) | Xai (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, structured_outputs, tools |
13 comparable fields · 8 material differences · Pair passes the primary-source comparison gate
GPT-5.6 Sol Capabilities
Grok Build 0.1 Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
GPT-5.6 Sol vs Grok Build 0.1 FAQs
Is GPT-5.6 Sol or Grok Build 0.1 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both GPT-5.6 Sol and Grok Build 0.1, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, GPT-5.6 Sol or Grok Build 0.1?+
GPT-5.6 Sol is $2.00 and Grok Build 0.1 is $1.00 per million tokens, so Grok Build 0.1 is cheaper on this metric. GPT-5.6 Sol is $10.00 and Grok Build 0.1 is $2.00 per million tokens, so Grok Build 0.1 is cheaper on this metric.
Which has a larger context window, GPT-5.6 Sol or Grok Build 0.1?+
GPT-5.6 Sol has the larger sourced context window. GPT-5.6 Sol supports 1,050K and Grok Build 0.1 supports 256K.
Which performs better in benchmarks, GPT-5.6 Sol or Grok Build 0.1?+
GPT-5.6 Sol leads the current overall benchmark count. The result uses 2 protocol-matched benchmarks from 2 publishers; it is not a universal quality score.
Can GPT-5.6 Sol or Grok Build 0.1 be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. GPT-5.6 Sol is not marked open weight; Grok Build 0.1 is not marked open weight.
Can GPT-5.6 Sol and Grok Build 0.1 understand images?+
GPT-5.6 Sol is documented with image input; Grok Build 0.1 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, GPT-5.6 Sol or Grok Build 0.1?+
Neither has a larger sourced maximum output. GPT-5.6 Sol is 128K and Grok Build 0.1 is —.
Do GPT-5.6 Sol and Grok Build 0.1 support reasoning and tool use?+
GPT-5.6 Sol: reasoning, tool calling, and image input. Grok Build 0.1: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, GPT-5.6 Sol or Grok Build 0.1?+
GPT-5.6 Sol has 2 sourced provider routes; Grok Build 0.1 has 1, so GPT-5.6 Sol has broader tracked availability.
Which offers better value, GPT-5.6 Sol or Grok Build 0.1?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.