# Gemini 2.5 FlashThinking

> Source: Benchize (https://benchize.com) — https://benchize.com/models/gemini-2-5-flash-thinking. When citing or reusing this content, credit "Benchize" and link to https://benchize.com/models/gemini-2-5-flash-thinking.

Google

Canonical URL: https://benchize.com/models/gemini-2-5-flash-thinking
Last updated: Thu, 22 Oct 2026 06:20:09 GMT

Reproduction and quotation must name Benchize, link to the canonical HTML URL, and retain individual source citations.

Google

## Benchmarks

| Benchmark | Score | ± | Rank | Cost | Source |  |
| --- | --- | --- | --- | --- | --- | --- |
| [CMIMC 2025](https://benchize.com/benchmarks/matharena%3Acmimc--cmimc_2025.md) | 54.37% | 95% CI 46.65–62.09% | 20 / 22 | 0.08usd per problem | [matharena · cmimc--cmimc_2025](https://matharena.ai/competition_tables/cmimc--cmimc_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 54.37 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.075 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition cmimc--cmimc_2025 predicted false sourceModelName Gemini 2.5 Flash (Thinking) sourceModelVersion gemini/gemini-flash-2.5 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 46.65–62.09% confidenceInterval95 7.72 problems 40 ### Source [Original source](https://matharena.ai/competition_tables/cmimc--cmimc_2025) Source matharena Original model label Gemini 2.5 Flash (Thinking) Source version cmimc--cmimc_2025 Observed 2026-10-22T05:30:12.870Z Evidence SHA-256 `d5d48c1f54a744d7ff2244bae3258963afdb1ab36fb20464ea9cf47138a1555e` Source locator `/table/rows/33` |  |  |  |  |  |  |
| [AudioMultiChallenge - Text Output](https://benchize.com/benchmarks/scale%3Aaudiomc-text.md) | 40.04source score | CI 35.54–44.54 | 4 / 8 | — | [scale](https://labs.scale.com/leaderboard/audiomc-text) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 40.04 \| source_score \| reported \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration gemini-2.5-flash (Thinking) sourceModelVersion Not reported thinkingEnabled true ### Reported statistics Uncertainty Confidence interval: 35.54–44.54 contaminationWarning Not reported rank 8 reportedConfidenceHalfWidth 4.5 ### Source [Original source](https://labs.scale.com/leaderboard/audiomc-text) Source scale Original model label gemini-2.5-flash (Thinking) Observed 2026-10-22T03:30:10.088Z Evidence SHA-256 `59ddfb971ed203a5d605bb0e90da1610ae37d6a1d229dc5d3cfe385340145a46` Source locator `/rows/7` |  |  |  |  |  |  |
| [SMT 2025](https://benchize.com/benchmarks/matharena%3Asmt--smt_2025.md) | 75.47% | 95% CI 69.68–81.26% | 22 / 26 | 0.08usd per problem | [matharena · smt--smt_2025](https://matharena.ai/competition_tables/smt--smt_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 75.47 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.076 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition smt--smt_2025 predicted false sourceModelName Gemini 2.5 Flash (Thinking) sourceModelVersion gemini/gemini-flash-2.5 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 69.68–81.26% confidenceInterval95 5.79 problems 53 ### Source [Original source](https://matharena.ai/competition_tables/smt--smt_2025) Source matharena Original model label Gemini 2.5 Flash (Thinking) Source version smt--smt_2025 Observed 2026-10-22T05:30:12.647Z Evidence SHA-256 `1b4f6f8bafc1688e4557a024513f68befa31aff48fd0623fb4892a61263433b0` Source locator `/table/rows/35` |  |  |  |  |  |  |
| [NC Bench](https://benchize.com/benchmarks/nc-bench%3Aoverall.md) | 84.14% | — | 108 / 144 | — | [nc bench](https://www.nc-bench.com/models) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `score` \| 84.14 \| percent \| reported \| Higher is better \| \| `tooling` \| 100 \| percent \| category \| Higher is better \| \| `creative_writing` \| 76.3 \| percent \| category \| Higher is better \| \| `language` \| 86.06 \| percent \| category \| Higher is better \| \| `utility` \| 82.25 \| percent \| category \| Higher is better \| \| `reasoning` \| 72.63 \| percent \| category \| Higher is better \| \| `text_editing` \| 98.12 \| percent \| category \| Higher is better \| \| `rule_following` \| 59.97 \| percent \| category \| Higher is better \| \| `hallucination` \| 97.79 \| percent \| category \| Higher is better \| ### Configuration Reasoning effort unknown Model configuration Gemini 2.5 Flash (Reasoning) thinkingEnabled true ### Source [Original source](https://www.nc-bench.com/models) Source nc bench Original model label Gemini 2.5 Flash (Reasoning) Observed 2026-10-22T06:10:03.426Z Evidence SHA-256 `ec261022458543624b08a136d01f5a2f0666cd52ffb49c64d6ca983e8543d1b5` Source locator `/rows/139` |  |  |  |  |  |  |
| [AIME 2025](https://benchize.com/benchmarks/aime-2025.md) | 70.83% | 95% CI 62.7–78.96% | 25 / 36 | 0.08usd per problem | [matharena · aime--aime_2025](https://matharena.ai/competition_tables/aime--aime_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 70.83 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.084 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition aime--aime_2025 predicted false sourceModelName Gemini 2.5 Flash (Thinking) sourceModelVersion gemini/gemini-flash-2.5 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 62.7–78.96% confidenceInterval95 8.13 problems 30 ### Source [Original source](https://matharena.ai/competition_tables/aime--aime_2025) Source matharena Original model label Gemini 2.5 Flash (Thinking) Source version aime--aime_2025 Observed 2026-10-22T05:30:11.892Z Evidence SHA-256 `fab0abcecc4032852ef2cbd2a84d34ffc42202be358b2994bfaba44ae7a0cd9a` Source locator `/table/rows/39` |  |  |  |  |  |  |
| [BRUMO 2025](https://benchize.com/benchmarks/matharena%3Abrumo--brumo_2025.md) | 83.33% | 95% CI 76.66–90% | 20 / 26 | 0.08usd per problem | [matharena · brumo--brumo_2025](https://matharena.ai/competition_tables/brumo--brumo_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 83.33 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.075 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition brumo--brumo_2025 predicted false sourceModelName Gemini 2.5 Flash (Thinking) sourceModelVersion gemini/gemini-flash-2.5 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 76.66–90% confidenceInterval95 6.67 problems 30 ### Source [Original source](https://matharena.ai/competition_tables/brumo--brumo_2025) Source matharena Original model label Gemini 2.5 Flash (Thinking) Source version brumo--brumo_2025 Observed 2026-10-22T05:30:12.351Z Evidence SHA-256 `d1d1c126b1feff70b2bcc20a7adbf380d94c2aaab0704704cb01593d4e1958ff` Source locator `/table/rows/34` |  |  |  |  |  |  |
| [HMMT Feb 2025](https://benchize.com/benchmarks/matharena%3Ahmmt--hmmt_feb_2025.md) | 64.17% | 95% CI 55.59–72.75% | 22 / 35 | 0.1usd per problem | [matharena · hmmt--hmmt_feb_2025](https://matharena.ai/competition_tables/hmmt--hmmt_feb_2025) |  |
| ### Original source values \| Metric \| Value \| Unit \| Scope \| Direction \| \| --- \| --- \| --- \| --- \| --- \| \| `accuracy` \| 64.17 \| percent \| competition \| Higher is better \| \| `cost_per_problem` \| 0.10 \| usd_per_problem \| competition \| Lower is better \| ### Configuration competition hmmt--hmmt_feb_2025 predicted false sourceModelName Gemini 2.5 Flash (Thinking) sourceModelVersion gemini/gemini-flash-2.5 thinkingEnabled true ### Reported statistics Uncertainty 95% confidence interval: 55.59–72.75% confidenceInterval95 8.58 problems 30 ### Source [Original source](https://matharena.ai/competition_tables/hmmt--hmmt_feb_2025) Source matharena Original model label Gemini 2.5 Flash (Thinking) Source version hmmt--hmmt_feb_2025 Observed 2026-10-22T05:30:12.126Z Evidence SHA-256 `8554225c26eb7a3c2649943ee7cf6b404ec1f7441b20fbdcfccbf35b9a864864` Source locator `/table/rows/36` |  |  |  |  |  |  |

---
Cite as: Gemini 2.5 FlashThinking — Benchize, https://benchize.com/models/gemini-2-5-flash-thinking (retrieved 2026-10-22)