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© 2026 CompareLLM. Public benchmark data aggregated from Arena Elo, LiveBench, SWE-bench & OpenRouter.

Every score has a dated snapshot.

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  3. Z.ai: GLM 4.7 Flash vs GPT-4o

Pairwise benchmark snapshot · Aug 17, 2026noindex (thin pair)

Z.ai: GLM 4.7 Flash vs GPT-4o benchmark

In this head-to-head showdown, Z.ai: GLM 4.7 Flash is more budget-friendly at $0.4/1M per 1M output tokens. Review the complete breakdown below to determine which model best fits your performance and budget requirements.

Executive Comparison Verdict

Bottom Line: Both Z.ai: GLM 4.7 Flash and GPT-4o present distinct architectural strengths. Compare the verified benchmark matrix below to choose the model tailored to your specific application requirements.
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Zhipu
Z.ai: GLM 4.7 Flash

Auto-discovered from OpenRouter (z-ai/glm-4.7-flash). Preview until a second source matches.

$0.39999999999999997/1M out
OpenAI
GPT-4o

Previous OpenAI flagship. Still a common compare baseline on legacy pages.

Elo 1,335$10/1M out
Top Rival Showdowns for Z.ai: GLM 4.7 Flash
All Matchups
Compare vs:vs Claude Opus 4.5vs GPT-5vs Gemini 3 Provs Grok 4.6vs DeepSeek V4 Pro
Preference Leader

No shared data

Single model data

Throughput Leader

No shared data

No latency data

Value per Dollar Leader

Z.ai: GLM 4.7 Flash

$0.39999999999999997 / 1M output

Capability Percentiles

Relative percentile scores computed across all active models in the benchmark catalog.

Capability Matchup Radar

Multi-Dimensional Capability Radar

Each spoke is a skill. Farther from the center is better (0–100th percentile). Tap any dot to inspect details.

Tap any node to inspect
Percentile 0–100
Dimensional AdvantageGPT-4o 4/6
Head-to-Head Comparison

Overall Matchup Breakdown

Category wins across reasoning intelligence, generation speed, and token cost.

Z.ai: GLM 4.7 Flash (3)vsGPT-4o (6)
Z.ai: GLM 4.7 Flash: 3W (33%)Overall: GPT-4oGPT-4o: 6W (67%)
← Z.ai: GLM 4.7 FlashGPT-4o →
GPT-4o (4/5)

Intelligence & Reasoning

Preference Elo, Coding proficiency, SWE-bench & LiveBench accuracy

Preference Elo
—vs1,335
Coding Elo
—vs—
SWE-bench
—vs54.8%
LiveBench
—vs54.2%
GPQA Diamond
—vs73.2%
Z.ai: GLM 4.7 Flash: 0WGPT-4o: 4W
GPT-4o (2/2)

Speed & Latency

Generation throughput and time to first token responsiveness

Output speed
—vs110 tok/s
Time to first token
—vs180 ms
Z.ai: GLM 4.7 Flash: 0WGPT-4o: 2W
Z.ai: GLM 4.7 Flash (3/3)

Pricing & Capacity

Cost per million tokens and max context window length

Output price
$0.4/1Mvs$10/1M
Input price
$0.06/1Mvs$2.5/1M
Context window
203kvs128k
Z.ai: GLM 4.7 Flash: 3WGPT-4o: 0W

Side-by-Side Benchmark Matrix

Preference Elo
Z.ai: GLM 4.7 Flash—
GPT-4o1,335
lmarena · Aug 17, 2026
LiveBench
Z.ai: GLM 4.7 Flash—
GPT-4o54.2%
livebench · Aug 17, 2026
SWE-bench
Z.ai: GLM 4.7 Flash—
GPT-4o54.8%
swebench · Aug 17, 2026
GPQA Diamond
Z.ai: GLM 4.7 Flash—
GPT-4o73.2%
seed-bootstrap · Aug 1, 2026
Time to first token
Z.ai: GLM 4.7 Flash—
GPT-4o180 ms
seed-bootstrap · Aug 1, 2026
Output speed
Z.ai: GLM 4.7 Flash—
GPT-4o110 tok/s
seed-bootstrap · Aug 1, 2026
Input priceZ.ai: GLM 4.7 Flash (+$2.44/1M)
Z.ai: GLM 4.7 Flash$0.06/1M
openrouter · Aug 17, 2026
GPT-4o$2.5/1M
openrouter · Aug 17, 2026
Output priceZ.ai: GLM 4.7 Flash (+$9.6/1M)
Z.ai: GLM 4.7 Flash$0.4/1M
openrouter · Aug 17, 2026
GPT-4o$10/1M
openrouter · Aug 17, 2026
Context windowZ.ai: GLM 4.7 Flash (+75k)
Z.ai: GLM 4.7 Flash203k
openrouter · Aug 17, 2026
GPT-4o128k
openrouter · Aug 17, 2026
BenchmarkZ.ai: GLM 4.7 FlashGPT-4oAdvantage Delta
Preference Elo—
1,335
lmarena · Aug 17, 2026
—
LiveBench—
54.2%
livebench · Aug 17, 2026
—
SWE-bench—
54.8%
swebench · Aug 17, 2026
—
GPQA Diamond—
73.2%
seed-bootstrap · Aug 1, 2026
—
Time to first token—
180 ms
seed-bootstrap · Aug 1, 2026
—
Output speed—
110 tok/s
seed-bootstrap · Aug 1, 2026
—
Input price
$0.06/1M
openrouter · Aug 17, 2026
$2.5/1M
openrouter · Aug 17, 2026
Z.ai: GLM 4.7 Flash (+$2.44/1M)
Output price
$0.4/1M
openrouter · Aug 17, 2026
$10/1M
openrouter · Aug 17, 2026
Z.ai: GLM 4.7 Flash (+$9.6/1M)
Context window
203k
openrouter · Aug 17, 2026
128k
openrouter · Aug 17, 2026
Z.ai: GLM 4.7 Flash (+75k)
Interactive Simulator (USD)

Workload Cost & Savings Calculator

Simulate monthly production API costs in USD (US Dollar).

Save up to 97% with Z.ai: GLM 4.7 Flash
Monthly Volume50M tokens/mo
Quick Presets:
Token Ratio (In vs Out)70% In / 30% Out
RAG / Search (10% out)Coding / Chat (50% out)
Z.ai: GLM 4.7 Flash$8.10 / mo
In: $2.1Out: $6
GPT-4o$237.50 / mo
In: $87.5Out: $150
Estimated Cost Delta

Z.ai: GLM 4.7 Flash is estimated to save $229.40/month ($2,753/year).

Based on 50M tokens (30% gen)

Key Selection Recommendations

  • 1
    Z.ai: GLM 4.7 Flash:Pick Z.ai: GLM 4.7 Flash when you are optimizing output cost.

Recommended Workload Routing

Repo / coding agentsinsufficient data

Need SWE-bench on both sides.

High-volume chatZ.ai: GLM 4.7 Flash

Lower output list price ($0.4/1M).

Voice / low-latency UIinsufficient data

Need TTFT on both sides.

Long-document RAGZ.ai: GLM 4.7 Flash

Larger window (203k).

Screenshots / visionGPT-4o

GPT-4o is the side marked multimodal in the catalog.

Target WorkloadRecommended PickEvaluation Rationale
Repo / coding agentsinsufficient dataNeed SWE-bench on both sides.
High-volume chatZ.ai: GLM 4.7 FlashLower output list price ($0.4/1M).
Voice / low-latency UIinsufficient dataNeed TTFT on both sides.
Long-document RAGZ.ai: GLM 4.7 FlashLarger window (203k).
Screenshots / visionGPT-4oGPT-4o is the side marked multimodal in the catalog.

Related Editorial Dispatches & Benchmark Notes

View all news
newsMay 13, 2024

GPT-4o stays as the 2024 compare anchor people still search

Deprecated for buying. Kept because “4o vs sonnet” is still a typed query.

Community Sentiment

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CompareLLM Matrix

Verified head-to-head card

LIVE
VS
Zhipu

Z.ai: GLM 4.7 Flash

Elo n/a
LiveBench—
SWE-bench—
Speed—
Output cost$0.4/1M
OpenAI

GPT-4o

Elo 1,335
LiveBench54.2%
SWE-bench54.8%
Speed110 tok/s
Output cost$10/1M

Frequently Asked Questions

Which is better overall, Z.ai: GLM 4.7 Flash or GPT-4o?
We do not have preference Elo for both models, so we do not declare an overall winner. Compare the metrics that exist.
Which is better at coding, Z.ai: GLM 4.7 Flash or GPT-4o?
SWE-bench is missing for at least one model, so we do not rank coding from a single number.
Which is cheaper to run in production?
Z.ai: GLM 4.7 Flash output tokens are $0.4/1M versus $10/1M. Input prices and retry rates still move the real bill.
Which is faster, Z.ai: GLM 4.7 Flash or GPT-4o?
We do not have TTFT for both models.
Which has the larger context window?
Z.ai: GLM 4.7 Flash accepts 203k tokens versus 128k.
Can I self-host either model?
Neither model is marked open-weights here. You are comparing hosted APIs.
Are these scores from CompareLLM’s own evals?
No. V1 aggregates public leaderboards (and optional first-party latency pings). Each cell names its source and date. Read /methodology.
What does preference Elo mean on this page?
Preference Elo is a crowd vote from LMArena / Arena. People see two hidden answers and pick the one they like more. The model that wins more often gets a higher Elo. That means people preferred it — not that it passed a school test. It is not SWE-bench, not accuracy, and not a number we invent. Z.ai: GLM 4.7 Flash and GPT-4o Elo cells are dated snapshots from the named source — we do not compute Arena ourselves.

Related news

  • news · May 13, 2024

    GPT-4o stays as the 2024 compare anchor people still search

Similar Head-to-Head Comparisons

All Z.ai: GLM 4.7 Flash matchups →|All GPT-4o matchups →
GPT-4o vs GPT-4 Turbo (previous gpt-flagship)GPT-4o vs OpenAI: o1 (next gpt-flagship)GPT-5 vs GPT-4oGPT-4.5 Orion vs GPT-4oGPT-5.6 Sol vs GPT-4oGPT-5.6 Terra vs GPT-4o