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Compare / head-to-head

Gemini 2.5 FlashvsGPT-4.1

Gemini 2.5 Flash and GPT-4.1 split their 2 shared benchmarks evenly. Gemini 2.5 Flash is 3.6x cheaper per token. Gemini 2.5 Flash has the larger context window (1.0M tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
1 – 1
even split
Cheaper per token
Gemini 2.5 Flash
3.6x cheaper, input + output
Larger context
Gemini 2.5 Flash
1.0M tokens
Provider uptime (30d)
100% · 95.1662%
Google · OpenAI
Gemini 2.5 Flash
Google · released 2025-06-17
textvisionaudio
Context
1.0M
Max out
66K
Input /1M
$0.3
Output /1M
$2.5
Cached /1M
$0.03
Scores
9 · 5 core
GPT-4.1
OpenAI · released 2025-04-14
textvision
Context
1.0M
Max out
33K
Input /1M
$2
Output /1M
$8
Cached /1M
$0.5
Scores
10 · 8 core
Quality

Benchmark matrix

BenchmarkGemini 2.5 FlashGPT-4.1ΔEdge
Reported by both · 2
SWE-bench Verified48.9% 54.6% -5.7 ptGPT-4.1
GPQA Diamond82.8% 66.3% +16.5 ptGemini 2.5 Flash
Only Gemini 2.5 Flash reports · 6
AIME 202572% not reported
Humanity's Last Exam (no tools)11% not reported
LMArena Elo1417.3 not reported
Aider Polyglot56.7% not reported
LiveCodeBench59.3% not reported
MMMU79.7% not reported
Only GPT-4.1 reports · 7
MMLUnot reported90.2%
AIME 2024not reported48.1%
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported6% epoch
OTIS Mock AIME 2024-2025 (Epoch AI run)not reported38.3% epoch
SimpleQA Verifiednot reported31.1% epoch
SWE-bench Verified (Epoch AI run)not reported48.5% epoch
Video-MME (long, no subtitles)not reported72%
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Gemini 2.5 Flash minus GPT-4.1 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecGemini 2.5 FlashGPT-4.1Edge
Context window1.0M tokens1.0M tokensGemini 2.5 Flash
Max output66K tokens33K tokensGemini 2.5 Flash
Input price / 1M$0.3 $2 Gemini 2.5 Flash
Output price / 1M$2.5 $8 Gemini 2.5 Flash
Cached input / 1M$0.03 $0.5 Gemini 2.5 Flash
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$2.8$10Gemini 2.5 Flash
Modalitiestext · vision · audiotext · visionGemini 2.5 Flash
Released2025-06-172025-04-14
Cited benchmark scores910
Reliability

Provider status

All providers
Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Gemini 2.5 Flash and GPT-4.1 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.