Gemma 4 26B A4B vs GPT-5 Nano
At a Glance
| Compare |  Gemma 4 26B A4BGoogle DeepMind |  GPT-5 NanoOpenAI |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | UnrankedNot in the 46-model eligible cohort | #46 of 460.0 score · 2/3 sources · provisional · missing LiveBench · full-core range 0.0–33.3 |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $0.070Deepinfra ↗ · Sep 21, 2026 | $0.025Openrouter ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | $0.30Openrouter ↗ · Sep 22, 2026 | $0.20Openrouter ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 262K | 400K |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 3, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
| Benchmark | Gemma 4 26B-A4B | GPT-5 Nano |
|---|---|---|
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,434.47100% of row best · rating · gemma-4-26b-a4b; 95% CI [1426.87673667, 1442.06986887]; votes 5804; rank 80 | 1,319.7292% of row best · rating · gpt-5-nano-high; 95% CI [1312.87607943, 1326.57003978]; votes 8128; rank 218 |
| LMArena Vision Arenavision-2026-09-13-d25aabda0010 · arena_rating · leader | 1,258.90100% of row best · rating · gemma-4-26b-a4b; 95% CI [1252.23205561, 1265.56747875]; votes 22658; rank 47 | 1,159.1092% of row best · rating · gpt-5-nano-high; 95% CI [1148.05999135, 1170.13906838]; votes 3948; rank 100 |
| Overall ResultCounted from the protocol-matched rows above | 2 benchmark winsNo overall winner | 0 benchmark winsNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Gemma 4 26B-A4B | GPT-5 Nano |
|---|---|---|
| Developer | Google DeepMind | OpenAI |
| Family | Gemma 4 | Gpt 5 |
| Model | Gemma 4 26B-A4B | GPT-5 Nano |
| Version | Gemma 4 26B-A4B | GPT-5 Nano |
| Lifecycle | active | active |
| Released | 2026-03-11 | 2025-08-07 |
| Knowledge cutoff | Unknown | 2024-05-31 |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 262K | 400K |
| Total parameters | 26B | Unknown |
| Active parameters | 4B | Unknown |
| License | apache-2.0 | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | Deepinfra (Standard), Google Gemini (Standard), Openrouter (Standard), Together Ai (Standard) | Openai (Standard), Openrouter (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, structured_outputs, tools |
Gemma 4 26B A4B Capabilities
GPT-5 Nano Capabilities
Related Comparisons
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|---|---|---|---|
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Primary Evidence
Sources and Freshness
Questions
Gemma 4 26B A4B vs GPT-5 Nano FAQs
Is Gemma 4 26B A4B or GPT-5 Nano better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Gemma 4 26B A4B and GPT-5 Nano, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Gemma 4 26B A4B or GPT-5 Nano?+
Gemma 4 26B A4B is $0.070 and GPT-5 Nano is $0.025 per million tokens, so GPT-5 Nano is cheaper on this metric. Gemma 4 26B A4B is $0.30 and GPT-5 Nano is $0.20 per million tokens, so GPT-5 Nano is cheaper on this metric.
Which has a larger context window, Gemma 4 26B A4B or GPT-5 Nano?+
GPT-5 Nano has the larger sourced context window. Gemma 4 26B A4B supports 262K and GPT-5 Nano supports 400K.
Which performs better in benchmarks, Gemma 4 26B A4B or GPT-5 Nano?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Gemma 4 26B A4B or GPT-5 Nano be self-hosted?+
Gemma 4 26B A4B is the only model in this pair currently marked as self-hostable. Gemma 4 26B A4B is open weight; GPT-5 Nano is not marked open weight.
Can Gemma 4 26B A4B and GPT-5 Nano understand images?+
Gemma 4 26B A4B is documented with image input; GPT-5 Nano is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Gemma 4 26B A4B or GPT-5 Nano?+
Neither has a larger sourced maximum output. Gemma 4 26B A4B is — and GPT-5 Nano is 128K.
Do Gemma 4 26B A4B and GPT-5 Nano support reasoning and tool use?+
Gemma 4 26B A4B: reasoning, tool calling, and image input. GPT-5 Nano: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Gemma 4 26B A4B or GPT-5 Nano?+
Gemma 4 26B A4B has 4 sourced provider routes; GPT-5 Nano has 2, so Gemma 4 26B A4B has broader tracked availability.
Which offers better value, Gemma 4 26B A4B or GPT-5 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.