Gemini 2.5 Pro vs GPT-4.1 Nano
Benchmark Performance
Available Benchmarks
| Benchmark | Gemini 2.5 Pro | GPT-4.1 Nano |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,457.82100% of row best · rating · gemini-2.5-pro; 95% CI [1455.34940240, 1460.28624287]; votes 122575; rank 33 | 1,284.6488% of row best · rating · gpt-4.1-nano-2025-04-14; 95% CI [1276.99177350, 1292.27849322]; votes 6103; rank 246 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · leader | 1,262.42100% of row best · rating · gemini-2.5-pro; 95% CI [1257.72056767, 1267.11330698]; votes 87719; rank 41 | 1,063.2384% of row best · rating · gpt-4.1-nano-2025-04-14; 95% CI [1044.95116252, 1081.50991534]; votes 1211; rank 120 |
| 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 | Gemini 2.5 Pro | GPT-4.1 Nano |
|---|---|---|
| Developer | Google DeepMind | OpenAI |
| Family | Gemini 2 5 | Gpt 4 1 |
| Model | Gemini 2.5 Pro | GPT-4.1 Nano |
| Version | Gemini 2.5 Pro | GPT-4.1 Nano |
| Lifecycle | active | active |
| Released | Unknown | Unknown |
| Knowledge cutoff | 2025-01-01 | 2024-06-01 |
| Input modalities | Text, Image, Video, Audio, Document | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,048,576 | 1,047,576 |
| 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, tools |
14 comparable fields · 9 material differences · Pair passes the primary-source comparison gate
Gemini 2.5 Pro Capabilities
GPT-4.1 Nano Capabilities
Internal Comparison Graph
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Primary Evidence
Sources and Freshness
Questions
Gemini 2.5 Pro vs GPT-4.1 Nano FAQs
Is Gemini 2.5 Pro or GPT-4.1 Nano better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Gemini 2.5 Pro and GPT-4.1 Nano, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Gemini 2.5 Pro or GPT-4.1 Nano?+
Gemini 2.5 Pro is $1.25 and GPT-4.1 Nano is $0.050 per million tokens, so GPT-4.1 Nano is cheaper on this metric. Gemini 2.5 Pro is $10.00 and GPT-4.1 Nano is $0.20 per million tokens, so GPT-4.1 Nano is cheaper on this metric.
Which has a larger context window, Gemini 2.5 Pro or GPT-4.1 Nano?+
Gemini 2.5 Pro has the larger sourced context window. Gemini 2.5 Pro supports 1,048,576 and GPT-4.1 Nano supports 1,047,576.
Which performs better in benchmarks, Gemini 2.5 Pro or GPT-4.1 Nano?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Gemini 2.5 Pro or GPT-4.1 Nano be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Gemini 2.5 Pro is not marked open weight; GPT-4.1 Nano is not marked open weight.
Can Gemini 2.5 Pro and GPT-4.1 Nano understand images?+
Gemini 2.5 Pro is documented with image input; GPT-4.1 Nano is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Gemini 2.5 Pro or GPT-4.1 Nano?+
Gemini 2.5 Pro has the larger sourced maximum output: Gemini 2.5 Pro supports 65,536 and GPT-4.1 Nano supports 32,768 output tokens.
Do Gemini 2.5 Pro and GPT-4.1 Nano support reasoning and tool use?+
Gemini 2.5 Pro: reasoning, tool calling, and image input. GPT-4.1 Nano: tool calling and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Gemini 2.5 Pro or GPT-4.1 Nano?+
Gemini 2.5 Pro has 1 sourced provider route; GPT-4.1 Nano has 2, so GPT-4.1 Nano has broader tracked availability.
Which offers better value, Gemini 2.5 Pro or GPT-4.1 Nano?+
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.