GPT-5.4 Mini vs GPT-5.6 Sol
Model Markets Rankings
Intelligence, Cost, and Efficiency
| Ranking | GPT-5.4 Mini | GPT-5.6 Sol |
|---|---|---|
| CostLower is better · Published-token output estimate | #26 of 36$0.214 per LiveBench case | #20 of 36$0.117 per LiveBench case |
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-5.4 Mini | GPT-5.6 Sol |
|---|---|---|
| ARC-AGI-1verified-v1-15fb467fd4fc · verified_score · leader | 63.6765% of row best · percent · GPT-5.4 Mini (XHigh) | 97.50100% of row best · percent · GPT-5.6 Sol (XHigh) |
| ARC-AGI-2verified-v2-9a3db289984e · verified_score · leader | 18.9020% of row best · percent · GPT-5.4 Mini (XHigh) | 92.50100% of row best · percent · GPT-5.6 Sol (Max) |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,412.1097% of row best · rating · gpt-5.4-mini-high; 95% CI [1408.28461201, 1415.92470838]; votes 59472; rank 123 | 1,454.69100% of row best · rating · gpt-5.6-sol-xhigh; 95% CI [1449.58093424, 1459.80348090]; votes 23153; rank 35 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · leader | 1,245.4898% of row best · rating · gpt-5.4-mini-high; 95% CI [1239.01417013, 1251.95452638]; votes 24076; rank 54 | 1,276.90100% of row best · rating · gpt-5.6-sol-xhigh; 95% CI [1267.71657009, 1286.08047215]; votes 5837; rank 30 |
| LiveBench2026-06-25 · overall · leader | 69.5382% of row best · percent · gpt-5.4-mini-xhigh · 47,448 output tokens / case | 85.26100% of row best · percent · gpt-5.6-sol-max · 11,729 output tokens / case |
| ToneBench2026-08-28-10-task-cd9819ab6e4d · overall_score · leader | 80.4492% of row best · points · GPT-5.4 mini · 2,559 output tokens / case | 87.35100% of row best · points · GPT-5.6 Sol (default) · 2,955 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark wins | 6 benchmark winsOverall lead |
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-5.4 Mini | GPT-5.6 Sol |
|---|---|---|
| Developer | OpenAI | OpenAI |
| Family | Gpt 5 4 | Gpt 5 6 |
| Model | GPT-5.4 Mini | GPT-5.6 Sol |
| Version | GPT-5.4 Mini | GPT-5.6 Sol |
| Lifecycle | active | active |
| Released | 2026-03-17 | Unknown |
| Knowledge cutoff | 2025-08-31 | 2026-02-16 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 400K | 1,050K |
| 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) | Openai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, tools |
14 comparable fields · 6 material differences · Pair passes the primary-source comparison gate
GPT-5.4 Mini Capabilities
GPT-5.6 Sol Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
GPT-5.4 Mini vs GPT-5.6 Sol FAQs
Is GPT-5.4 Mini or GPT-5.6 Sol better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both GPT-5.4 Mini and GPT-5.6 Sol, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, GPT-5.4 Mini or GPT-5.6 Sol?+
GPT-5.4 Mini is $0.75 and GPT-5.6 Sol is $2.00 per million tokens, so GPT-5.4 Mini is cheaper on this metric. GPT-5.4 Mini is $4.50 and GPT-5.6 Sol is $10.00 per million tokens, so GPT-5.4 Mini is cheaper on this metric.
Which has a larger context window, GPT-5.4 Mini or GPT-5.6 Sol?+
GPT-5.6 Sol has the larger sourced context window. GPT-5.4 Mini supports 400K and GPT-5.6 Sol supports 1,050K.
Which performs better in benchmarks, GPT-5.4 Mini or GPT-5.6 Sol?+
GPT-5.6 Sol leads the current overall benchmark count. The result uses 6 protocol-matched benchmarks from 4 publishers; it is not a universal quality score.
Can GPT-5.4 Mini or GPT-5.6 Sol be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. GPT-5.4 Mini is not marked open weight; GPT-5.6 Sol is not marked open weight.
Can GPT-5.4 Mini and GPT-5.6 Sol understand images?+
GPT-5.4 Mini is documented with image input; GPT-5.6 Sol is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, GPT-5.4 Mini or GPT-5.6 Sol?+
Neither has a larger sourced maximum output. GPT-5.4 Mini is 128K and GPT-5.6 Sol is 128K.
Do GPT-5.4 Mini and GPT-5.6 Sol support reasoning and tool use?+
GPT-5.4 Mini: reasoning, tool calling, and image input. GPT-5.6 Sol: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, GPT-5.4 Mini or GPT-5.6 Sol?+
GPT-5.4 Mini has 2 sourced provider routes; GPT-5.6 Sol has 2, a tie.
Which offers better value, GPT-5.4 Mini or GPT-5.6 Sol?+
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.