--- title: "Is Gemini 2.5 Flash still undominated? · Undominated.ai" canonical: https://undominated.ai/check/google__gemini-2.5-flash/ description: "Gemini 2.5 Flash: whether it is still undominated. If anything in this catalogue is both better and cheaper, it is named, as of Oct 6, 2026. Unrated stays unrated." --- # Is Gemini 2.5 Flash still undominated? · Undominated.ai > Gemini 2.5 Flash: whether it is still undominated. If anything in this catalogue is both better and cheaper, it is named, as of Oct 6, 2026. Unrated stays unrated. # Is Gemini 2.5 Flash a good deal? Whether anything in this catalogue beats Gemini 2.5 Flash on both quality and price, and what you give up if it does. A computation on the current catalogue, not an opinion. 12 undominated of 145 · Oct 6, 2026 [1 · Choose & set workload](#check-input)[2 · Read verdict](#check-verdict)[3 · Inspect alternatives](#check-options) As of Oct 6, 2026, Gemini 2.5 Flash is dominated for Balanced on LMArena. Gemini 3.5 Flash Lite scores 17.7 higher at the same price, with a covering envelope. 12 of 145 rated, priced standard models are undominated. [Inspect model evidence](/models/google__gemini-2.5-flash/) [Compare differences & requirements](/compare/?models=google%2Fgemini-2.5-flash%2Cgoogle%2Fgemini-3.5-flash-lite) Current model Gemini 2.5 Flash Balanced 3 tokens in per 1 out Balanced Summarise Chat Code gen Agentic Monthly spend (USD) Used only to say how many months a named switching cost would take to earn back. Leave blank to skip. Switching cost (USD) Gemini 3.5 Flash Lite scores 17.7 points higher than Gemini 2.5 Flash at the same price, $0.850 per million tokens for both. [Gemini 2.5 Flash](https://undominated.ai/models/google__gemini-2.5-flash/) LMArena Elo · higher is better Scale starts at 1040 Elo ** 1417.0 Effective $/M · Balanced · lower is better ** $0.850/M [Gemini 3.5 Flash Lite](https://undominated.ai/models/google__gemini-3.5-flash-lite/) LMArena Elo · higher is better Scale starts at 1040 Elo ** 1434.7 Effective $/M · Balanced · lower is better ** $0.850/M Gemini 2.5 Flash takes file, image, text, audio, video, returns up to 65,535 tokens from a 1,048,576-token context, and is listed by 7 sellers. Compared against 145 rated, priced models on this lens: 1 model dominates it and gives up nothing, 5 more dominate it but give something up. Gemini 2.5 Flash scores 1417 at $0.850 per million tokens for this mix. ## Envelope-safe replacements Each row scores at least as high, costs no more, and covers this model’s context, output, modalities, tools, and reasoning. A cheaper narrower model is not listed here. | Model | LMArena | Effective $/M | You save | | --- | --- | --- | --- | | [Gemini 3.5 Flash Lite](/models/google__gemini-3.5-flash-lite/) | 1434.7 +17.7 | $0.850/M | 0% | ## Higher score, lower price, named losses Not a drop-in. The loss is why these are not a recommendation. | Model | LMArena | Effective $/M | You give up | | --- | --- | --- | --- | | [MiMo-V2.6-Pro](/models/xiaomi__mimo-v2.6-pro/) | 1491.0 | $0.540/M | file | | [GLM 5.3 Flash](/models/z-ai__glm-5.3-flash/) | 1469.6 | $0.238/M | file, audio | | [MiMo-V2.5-Pro](/models/xiaomi__mimo-v2.5-pro/) | 1465.0 | $0.544/M | file, image, audio, video | | [DeepSeek V4.1 Flash](/models/deepseek__deepseek-v4.1-flash/) | 1462.5 | $0.182/M | file, audio, video | | [MiMo-V2.6-Flash](/models/xiaomi__mimo-v2.6-flash/) | 1456.4 | $0.175/M | file | 145 rated, priced standard models. Chartreuse is the frontier. Cobalt is the model you named, when it is not on the staircase. Copy watch URL [Open the frontier](/frontier/) The link keeps the model and mix, using the current catalogue. Monthly spend and switching cost stay in this browser tab and are left out of the link. ## Saved decision references Save the model, workload, catalogue date and capability-preservation rule in this browser. Spend, switching cost and bill contents are not saved. No account or notifications. Constraint: replacements must preserve the model’s capabilities; any losses remain named trade-offs. Historical decisions cannot be fully replayed from saved references: past prices, scores and capability evidence are not stored. Save this reference ## Continue your investigation - [Build a shortlist](/compare/) - [Inspect alternatives](/alternatives/) - [Check billing conditions](/traps/) - [Read model evidence](/models/)