Gemini 2.0 Flash vs GPT-5 mini
A complete head-to-head: pricing, context window, benchmarks, modality coverage, and openness, with a programmatic verdict synthesized from the underlying data.
Updated
Gemini 2.0 Flash specs · GPT-5 mini specs- PriceGemini 2.0 Flash
Gemini 2.0 Flash is roughly 5.0× cheaper on output tokens ($0.40 vs $2.00 per 1M).
- Context windowGemini 2.0 Flash
Gemini 2.0 Flash accepts 1.0M tokens vs 400K, 2.6× the room for long documents and codebases.
- BenchmarksTie
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores.
- ModalitiesTie
Both handle text, vision, audio.
- OpennessTie
Both are closed-weight, API-only.
On balance Gemini 2.0 Flash edges ahead, winning 2 of 5 categories against GPT-5 mini's 0. Gemini 2.0 Flash is roughly 5.0× cheaper on output tokens ($0.40 vs $2.00 per 1M). Gemini 2.0 Flash accepts 1.0M tokens vs 400K, 2.6× the room for long documents and codebases.
No directly comparable public benchmarks are available for both models, check the spec sheets for individual scores. Both target the same set of modalities (text, vision, audio), so the deciding factors are price, context, and raw quality. Both are closed-weight, API-only.
GPT-5 mini is the newer of the two, released 6 months after Gemini 2.0 Flash, which usually means a more recent knowledge cutoff and updated safety post-training. Gemini 2.0 Flash is usually picked for rag and long context workloads, while GPT-5 mini sees more deployments in code completion and customer support. If pricing matters more than every last benchmark point, run the numbers in the calculator below before committing.
Side-by-side specs
| Spec | Gemini 2.0 Flash | GPT-5 mini |
|---|---|---|
| Provider | OpenAI | |
| Released | Feb 2025 | Aug 2025 |
| Modalities | text, vision, audio | text, vision, audio |
| Context window | 1.0M tokens | 400K tokens |
| Max output | , | 128K tokens |
| Input · 1M | $0.10 / 1M tokens | $0.25 / 1M tokens |
| Output · 1M | $0.40 / 1M tokens | $2.00 / 1M tokens |
| Knowledge cutoff | 2024-08 | 2024-09 |
| Open weights | No | No |
| API available | Yes | Yes |
Pricing at scale
What you'd actually pay at typical workloads. Numbers come from each model's published per-million-token rates.
- Light usage, 100k in / 50k out per day$0.900 vs $3.75
- Heavy usage, 1M in / 500k out per day$9.00 vs $37.50
- RAG workload, 5M in / 200k out per day$17.40 vs $49.50
Light usage, 100k in / 50k out per day: $0.900 vs $3.75 per month, model A comes out ahead. Heavy usage, 1M in / 500k out per day: $9.00 vs $37.50 per month, model A comes out ahead. RAG workload, 5M in / 200k out per day: $17.40 vs $49.50 per month, model A comes out ahead.
Estimated spend for the listed models at your usage. Numbers are derived from each model's published per-million-token rates.
- Gemini 2.0 Flash$0.030
- GPT-5 mini$0.125
Benchmarks compared
Only sourced numbers. Where a benchmark is missing for one model we show the available value rather than fabricating the other.
Gemini 2.0 Flash fits when…
- Long context
- Cheap
- Cost-sensitive workloads, 5.0× cheaper than GPT-5 mini on output tokens.
- Long-context tasks, handles 1.0M tokens vs 400K for GPT-5 mini.
GPT-5 mini fits when…
- Excellent price-quality ratio for production workloads
- Fast first-token latency
- Same tool-use API surface as flagship
Consider Gemini 3 Pro
Google's late-2025 flagship, set new benchmarks on long-context, vision, and reasoning at competitive pricing.
Frequently asked
Is Gemini 2.0 Flash or GPT-5 mini cheaper?
Gemini 2.0 Flash is cheaper at $0.40 / 1M tokens per million output tokens, vs $2.00 / 1M tokens for GPT-5 mini.Which has the larger context window?
Gemini 2.0 Flash accepts 1.0M tokens vs 400K for GPT-5 mini.Is Gemini 2.0 Flash or GPT-5 mini better for coding?
Both Gemini 2.0 Flash and GPT-5 mini are competitive on coding benchmarks. See each model's individual spec page for HumanEval and SWE-bench scores where published. For an opinionated pick, consult our Best LLM for Coding ranking.Are either of these models open source?
Neither model ships open weights, both are accessible only via their respective providers' APIs.When were Gemini 2.0 Flash and GPT-5 mini released?
Gemini 2.0 Flash was released by Google on 2025-02-05. GPT-5 mini was released by OpenAI on 2025-08-07.
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