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Model A
Gemini 3.7 Flash

Google

Evidence status unavailable

90% interval unavailable

Gemini 3.7 Flash vs GPT-5.5

Updated August 13, 2026. Public scores include evidence status and uncertainty. They are not guarantees for a specific workload.

Model B
GPT-5.5

OpenAI

73.2/100

Estimated · Public rank #11

90% interval 64.3–82.0

Decision reading

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.

2 results are shared. Category rows based on different benchmark sets are marked directional and do not name a winner.

Which one for your work

Recommendations appear only when a shared evidence basis or an explicit operating constraint supports the call. Secondary and unsupported use cases stay disclosed below the initial list.

  • Chat turn cost

    1K fresh input + 500 output tokens

    Gemini 3.7 Flash

    Gemini 3.7 Flash has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

  • Cache-heavy agent loop cost

    200K cached + 20K fresh input + 10K output tokens

    Gemini 3.7 Flash

    Gemini 3.7 Flash has the lower estimated token cost for this stated workload. Gemini 3.7 Flash has no published cached-input rate, so cached tokens use its listed input rate.

    Confidence: rate-fallback

Show secondary and unsupported calls
  • Repository review cost

    50K fresh input + 3K output tokens

    Gemini 3.7 Flash

    Gemini 3.7 Flash has the lower estimated token cost for this stated workload. Costs use the listed standard API rates.

    Confidence: listed-rates

  • Coding work

    Code generation, repair, and software-engineering tasks

    Not enough matched evidence

    No shared weighted benchmark basis supports a winner.

    Confidence: limited

  • Agentic work

    Tool use, computer use, and multi-step task completion

    Not enough matched evidence

    No shared weighted benchmark basis supports a winner.

    Confidence: limited

  • Long documents

    Prompts that approach the documented context limit

    No clear pick

    The documented context windows are equal.

    Confidence: documented

What is actually comparable

Shared results can support a head-to-head reading. Results present for only one model describe coverage, not superiority.

Shared results
2
Gemini 3.7 Flash only
13
GPT-5.5 only
36
Like-for-like categories
0 / 8

Category results, on a stated basis

Each row states whether both averages use the same weighted benchmark set. Directional and not-comparable rows remain visible, but they never receive a winner in this template.

Agentic

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
81.6
Weighted basis
0 vs 3 rows
Reading
Not comparable

Coding

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
58.6
Weighted basis
0 vs 1 rows
Reading
Not comparable

Reasoning

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
85.0
Weighted basis
0 vs 1 rows
Reading
Not comparable

Knowledge

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
57.8
Weighted basis
0 vs 2 rows
Reading
Not comparable

Math

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
47.6
Weighted basis
0 vs 2 rows
Reading
Not comparable

Multilingual

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
Not measured
Weighted basis
0 vs 0 rows
Reading
Not comparable

Multimodal

Not comparable
Gemini 3.7 Flash
88.7
GPT-5.5
70.4
Weighted basis
1 vs 2 rows
Reading
Not comparable

Instruction following

Not comparable
Gemini 3.7 Flash
Not measured
GPT-5.5
Not measured
Weighted basis
0 vs 0 rows
Reading
Not comparable

Shape of the matched evidence

Only shared public evidence is shown. Sparse evidence stays a ruled list rather than being closed into a radar shape.

A shared-evidence shape is not available.

BenchLM does not draw a radar or infer missing axes when the matched evidence is too sparse.

What each workload costs

Three fixed token mixes turn per-token rates into comparable decisions. Each scenario states context fit and whether cached input had to fall back to the published list-input rate.

Chat turn

1K fresh input + 500 output tokens

Gemini 3.7 Flash
$0.00262
Fits in one request
GPT-5.5
$0.02
Fits in one request

Gemini 3.7 Flash has the lower modeled cost

Costs use the listed standard API rates.

Repository review

50K fresh input + 3K output tokens

Gemini 3.7 Flash
$0.04875
Fits in one request
GPT-5.5
$0.34
Fits in one request

Gemini 3.7 Flash has the lower modeled cost

Costs use the listed standard API rates.

Cache-heavy agent loop

200K cached + 20K fresh input + 10K output tokens

Gemini 3.7 Flash
$0.2025
Fits in one request
Cached input priced at the published list-input rate
GPT-5.5
$0.5
Fits in one request

Gemini 3.7 Flash has the lower modeled cost

Gemini 3.7 Flash has no published cached-input rate, so cached tokens use its listed input rate.

Specification differences

Sourced differences are shown directly. Missing facts stay explicit instead of being inferred from a model name or family.

Provider availability

Gemini 3.7 Flash

Generally Available · Gemini API, Google AI Studio, Google Antigravity, Gemini Enterprise Agent Platform, Gemini Enterprise, Gemini app via Spark

Google Gemini 3.7 Flash launch

GPT-5.5

Not sourced

Reasoning profile

Gemini 3.7 Flash

Reasoning

GPT-5.5

Reasoning

Weight access

Gemini 3.7 Flash

Proprietary

GPT-5.5

Proprietary

License

Gemini 3.7 Flash

Proprietary

GPT-5.5

Proprietary

Release date

Gemini 3.7 Flash

2026-08-13

GPT-5.5

2026-04-23

If you already use one of these models
Deployment change
The models list different providers, so authentication, endpoint behavior, limits, and feature support may change.
Quality signal
At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner.
Workload cost
Repository review: $0.04875 vs $0.34. Cache-heavy agent loop: $0.2025 vs $0.5.
Context tradeoff
Both models list 1M.

Run the same representative tasks against both endpoints before changing production traffic.

Benchmark evidence

The full public result ledger is available for audit without forcing a wide desktop table onto a phone.

Browse raw public benchmark evidence51 rows

Agentic

  • Terminal-Bench 2.1

    Gemini 3.7 Flash85.8%
    Source
    GPT-5.5

    Not directly comparable

  • Terminal-Bench 3.0

    Gemini 3.7 Flash14.9%
    Source
    GPT-5.5

    Not directly comparable

  • AutomationBench

    Gemini 3.7 Flash30.4%
    Source
    GPT-5.5

    Not directly comparable

  • OSWorld 2.0

    Gemini 3.7 Flash47.9%
    Source
    GPT-5.513.0%
    Source

    Gemini 3.7 Flash leads this result

  • Agents' Last Exam

    Gemini 3.7 Flash26.3%
    Source
    GPT-5.5

    Not directly comparable

  • Terminal-Bench 2.0

    Gemini 3.7 Flash
    GPT-5.582%
    Source

    Not directly comparable

  • CyberGym

    Gemini 3.7 Flash
    GPT-5.581.8%
    Source

    Not directly comparable

  • BrowseComp

    Gemini 3.7 Flash
    GPT-5.584.4%
    Source

    Not directly comparable

  • OSWorld-Verified

    Gemini 3.7 Flash
    GPT-5.578.7%
    Source

    Not directly comparable

  • MCP Atlas

    Gemini 3.7 Flash
    GPT-5.575.3%
    Source

    Not directly comparable

  • Toolathlon

    Gemini 3.7 Flash
    GPT-5.555.6%
    Source

    Not directly comparable

  • τ²-bench results

    Gemini 3.7 Flash
    GPT-5.598%
    Source

    Not directly comparable

  • Gert Labs

    Gemini 3.7 Flash
    GPT-5.572.93%
    Source

    Not directly comparable

  • ResearchClawBench

    Gemini 3.7 Flash
    GPT-5.517.0%
    Source

    Not directly comparable

  • JobBench

    Gemini 3.7 Flash
    GPT-5.542.7%
    Source

    Not directly comparable

  • ExploitGym

    Gemini 3.7 Flash
    GPT-5.513.4%
    Source

    Not directly comparable

Coding

  • FrontierCode 1.1 Main

    Gemini 3.7 Flash43.6%
    Source
    GPT-5.543.0%
    Source

    Gemini 3.7 Flash leads this result

  • deepSwe

    Gemini 3.7 Flash65.3%
    Source
    GPT-5.5

    Not directly comparable

  • Terminal-Bench 2.1

    Gemini 3.7 Flash85.8%
    Source
    GPT-5.5

    Not directly comparable

  • SWE-bench Pro

    Gemini 3.7 Flash
    GPT-5.558.6%
    Source

    Not directly comparable

  • Terminal-Bench 2.0

    Gemini 3.7 Flash
    GPT-5.582.0%
    Source

    Not directly comparable

  • Vibe Code Bench

    Gemini 3.7 Flash
    GPT-5.569.85%
    Source

    Not directly comparable

  • React Native Evals

    Gemini 3.7 Flash
    GPT-5.584.7%
    Source

    Not directly comparable

  • cursorBench31

    Gemini 3.7 Flash
    GPT-5.559.2%
    Source

    Not directly comparable

  • cursorBench32

    Gemini 3.7 Flash
    GPT-5.558.4%
    Source

    Not directly comparable

  • APEX-SWE

    Gemini 3.7 Flash
    GPT-5.537.0%
    Source

    Not directly comparable

  • EEBench

    Gemini 3.7 Flash
    GPT-5.542.3%
    Source

    Not directly comparable

  • CADGenBench Generation

    Gemini 3.7 Flash
    GPT-5.529.7%
    Source

    Not directly comparable

  • SpaceXAI MTS Eval

    Gemini 3.7 Flash
    GPT-5.546.4%
    Source

    Not directly comparable

  • InferenceEval

    Gemini 3.7 Flash
    GPT-5.538.9%
    Source

    Not directly comparable

Reasoning

  • GDM-MRCR v2 128K average

    Gemini 3.7 Flash97%
    Source
    GPT-5.5

    Not directly comparable

  • MRCR v2 64K-128K

    Gemini 3.7 Flash
    GPT-5.583.1%
    Source

    Not directly comparable

  • MRCR v2 128K-256K

    Gemini 3.7 Flash
    GPT-5.587.5%
    Source

    Not directly comparable

  • ARC-AGI-2

    Gemini 3.7 Flash
    GPT-5.585%
    Source

    Not directly comparable

  • ARC-AGI-3

    Gemini 3.7 Flash
    GPT-5.50.4%
    Source

    Not directly comparable

Knowledge

  • BioMysteryBench (human-solvable)

    Gemini 3.7 Flash87.1%
    Source
    GPT-5.5

    Not directly comparable

  • BioMysteryBench (human-difficult)

    Gemini 3.7 Flash43.5%
    Source
    GPT-5.5

    Not directly comparable

  • GPQA

    Gemini 3.7 Flash
    GPT-5.593.6%
    Source

    Not directly comparable

  • GPQA-D

    Gemini 3.7 Flash
    GPT-5.593.6%
    Source

    Not directly comparable

  • HLE

    Gemini 3.7 Flash
    GPT-5.552.2%
    Source

    Not directly comparable

  • HLE w/o tools

    Gemini 3.7 Flash
    GPT-5.541.4%
    Source

    Not directly comparable

Math

  • FrontierMath (legacy)

    Gemini 3.7 Flash
    GPT-5.551.7%
    Source

    Not directly comparable

  • FrontierMath v2 (Tiers 1-3)

    Gemini 3.7 Flash
    GPT-5.551.700%
    Source

    Not directly comparable

  • FrontierMath v2 (Tier 4)

    Gemini 3.7 Flash
    GPT-5.535.400%
    Source

    Not directly comparable

Multimodal

  • GDP.pdf (no tools)

    Gemini 3.7 Flash34.0%
    Source
    GPT-5.5

    Not directly comparable

  • CharXiv w/o tools

    Gemini 3.7 Flash84.5%
    Source
    GPT-5.5

    Not directly comparable

  • CharXiv

    Gemini 3.7 Flash88.7%
    Source
    GPT-5.5

    Not directly comparable

  • LVBench

    Gemini 3.7 Flash85.4%
    Source
    GPT-5.5

    Not directly comparable

  • MMMU-Pro

    Gemini 3.7 Flash
    GPT-5.581.2%
    Source

    Not directly comparable

  • MMMU-Pro w/ Python

    Gemini 3.7 Flash
    GPT-5.583.2%
    Source

    Not directly comparable

  • OfficeQA Pro

    Gemini 3.7 Flash
    GPT-5.554.1%
    Source

    Not directly comparable

Frequently asked questions

Which is better, Gemini 3.7 Flash or GPT-5.5?

At least one model is not scored in the current public ranking lane, so the page does not name an overall quality winner. The page therefore keeps the decision tied to the specific documented workload.

Which is better for coding, Gemini 3.7 Flash or GPT-5.5?

The published evidence does not provide a shared weighted coding basis for both models, so BenchLM does not name a coding winner.

Which is better for agentic tasks, Gemini 3.7 Flash or GPT-5.5?

The published evidence does not provide a shared weighted agentic tasks basis for both models, so BenchLM does not name a agentic tasks winner.

Which costs less, Gemini 3.7 Flash or GPT-5.5?

For the stated presets, chat costs $0.00263 on Gemini 3.7 Flash and $0.02 on GPT-5.5; repository review costs $0.04875 and $0.34; the cache-heavy agent loop costs $0.2025 and $0.5. Gemini 3.7 Flash has no published cached-input rate, so cached tokens use its listed input rate.

Which has the larger context window, Gemini 3.7 Flash or GPT-5.5?

Both models list the same context window, 1M.

Related comparisons

Last updated August 13, 2026

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