Gemini 3.5 Flash-Lite vs GPT-5.6 Sol
Benchmark Performance
Available Benchmarks
| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Sol |
|---|---|---|
| LMArena Agent Arenaagent-2026-08-31-011508720696 · outcome_score · leader | -10.8181% of row best · score · Gemini 3.5 Flash Lite; 95% CI [-12.19929495, -9.42408695]; sessions 22348; observations 634592; rank 51 | 9.76100% of row best · score · GPT 5.6 Sol (xHigh); 95% CI [8.23209281, 11.28769899]; sessions 28524; observations 2917301; rank 4 |
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,436.2599% of row best · rating · gemini-3.5-flash-lite; 95% CI [1431.05053629, 1441.44358777]; votes 21843; rank 74 | 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 · statistical tie | 1,268.8999% of row best · rating · gemini-3.5-flash-lite; 95% CI [1258.10808094, 1279.66830878]; votes 3886; rank 34 | 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 | 66.3578% of row best · percent · gemini-3.5-flash-lite-high · 11,526 output tokens / case | 85.26100% of row best · percent · gpt-5.6-sol-max · 11,729 output tokens / case |
| ToneBench2026-08-14-10-task · overall_score · leader | 74.3085% of row best · points · Gemini 3.5 Flash-Lite · 2,022 output tokens / case | 87.89100% of row best · points · GPT-5.6 Sol (xhigh) · 6,160 output tokens / case |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 0 benchmark wins | 4 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 | Gemini 3.5 Flash-Lite | GPT-5.6 Sol |
|---|---|---|
| Developer | Google DeepMind | OpenAI |
| Family | Gemini 3 | Gpt 5 6 |
| Model | Gemini 3.5 Flash-Lite | GPT-5.6 Sol |
| Version | Gemini 3.5 Flash-Lite | GPT-5.6 Sol |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | 2026-02-16 |
| Input modalities | Text, Image, Video, Audio, Document | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,048,576 | 1,050,000 |
| 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 | Google AI (Standard) | OpenAI (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, tools | chat, generation, reasoning, tools |
13 comparable fields · 7 material differences · Pair passes the primary-source comparison gate
Gemini 3.5 Flash-Lite Capabilities
GPT-5.6 Sol Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
Claude Fable 5.1Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Claude Mythos 5.1Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
GPT-5.6 SolOpenAI | vs |  Hy4 previewTencent | cross-developer peerstext |
Gemini 2.5 Flash-LiteGoogle DeepMind | vs | Gemini 3.5 Flash-LiteGoogle DeepMind | family variantstext |
Gemini 3 FlashGoogle DeepMind | vs | Gemini 3.5 Flash-LiteGoogle DeepMind | family variantstext |
Gemini 2.5 FlashGoogle DeepMind | vs | Gemini 3.5 Flash-LiteGoogle DeepMind | family variantstext |
GPT-4.1 MiniOpenAI | vs | GPT-5.6 SolOpenAI | family variantsimage, text |
GPT-4.1 NanoOpenAI | vs | GPT-5.6 SolOpenAI | family variantsimage, text |
Claude Fable 5Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Claude Opus 4.8Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Claude Opus 5Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Claude Sonnet 5Anthropic | vs | GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Gemini 3.5 Flash-Lite vs GPT-5.6 Sol FAQs
Is Gemini 3.5 Flash-Lite or GPT-5.6 Sol better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Gemini 3.5 Flash-Lite and GPT-5.6 Sol, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Gemini 3.5 Flash-Lite or GPT-5.6 Sol?+
Gemini 3.5 Flash-Lite is $0.30 and GPT-5.6 Sol is $2.00 per million tokens, so Gemini 3.5 Flash-Lite is cheaper on this metric. Gemini 3.5 Flash-Lite is $2.50 and GPT-5.6 Sol is $10.00 per million tokens, so Gemini 3.5 Flash-Lite is cheaper on this metric.
Which has a larger context window, Gemini 3.5 Flash-Lite or GPT-5.6 Sol?+
GPT-5.6 Sol has the larger sourced context window. Gemini 3.5 Flash-Lite supports 1,048,576 and GPT-5.6 Sol supports 1,050,000.
Which performs better in benchmarks, Gemini 3.5 Flash-Lite or GPT-5.6 Sol?+
GPT-5.6 Sol leads the current overall benchmark count. The result uses 5 protocol-matched benchmarks from 3 publishers; it is not a universal quality score.
Can Gemini 3.5 Flash-Lite or GPT-5.6 Sol be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Gemini 3.5 Flash-Lite is not marked open weight; GPT-5.6 Sol is not marked open weight.
Can Gemini 3.5 Flash-Lite and GPT-5.6 Sol understand images?+
Gemini 3.5 Flash-Lite 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, Gemini 3.5 Flash-Lite or GPT-5.6 Sol?+
GPT-5.6 Sol has the larger sourced maximum output: Gemini 3.5 Flash-Lite supports 65,536 and GPT-5.6 Sol supports 128,000 output tokens.
Do Gemini 3.5 Flash-Lite and GPT-5.6 Sol support reasoning and tool use?+
Gemini 3.5 Flash-Lite: 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, Gemini 3.5 Flash-Lite or GPT-5.6 Sol?+
Gemini 3.5 Flash-Lite has 1 sourced provider route; GPT-5.6 Sol has 2, so GPT-5.6 Sol has broader tracked availability.
Which offers better value, Gemini 3.5 Flash-Lite 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.