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Gemini 2.5 Flash vs GLM 4.7

GLM 4.7 grades higher overall (66.3 against 62.9). GLM 4.7 costs 13% less for the same work.

Gemini 2.5 Flash

by Google · #36 of 67 overall

Coming soon · price at launch
Context
1M
Input / 1M
$0.30
Output / 1M
$2.50

GLM 4.7

by Z.ai · #34 of 67 overall

Coming soon · price at launch
Context
198K
Input / 1M
$0.40
Output / 1M
$1.75

Better overall

GLM 4.7

Grade 62.9 vs 66.3

Cheaper

GLM 4.7

13% less, $0.74 vs $0.85 blended

Larger context

Gemini 2.5 Flash

1M vs 198K tokens

SWE-bench Verified

GLM 4.7

48.9% vs 73.8%

Head to head

Public benchmarks. Longer is better; each value links to its source.

LMArena TextElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
LMArena WebDevElo-style rating · LMArena (CC BY 4.0) · Oct 13, 2026
Gemini 2.5 FlashGemini 2.5 Flash: —
LMArena CodingElo-style rating · LMArena (CC BY 4.0) · Oct 15, 2026
SWE-bench Verified% of issues resolved · SWE-bench · Dec 22, 2025 · reference
Terminal-Bench 2.0% of tasks passed · Terminal-Bench · Dec 22, 2025 · reference
Gemini 2.5 FlashGemini 2.5 Flash: —
LiveCodeBenchpass@1, % · LiveCodeBench · Dec 22, 2025 · reference
Gemini 2.5 FlashGemini 2.5 Flash: —

Gemini 2.5 FlashGLM 4.7v = reported by the model’s maker. — = no public score yet. Arena bars span the range across every model we grade.

What it costs you

Drag to match your monthly usage.

Gemini 2.5 Flash$160 /month
GLM 4.7$150 /month

GLM 4.7 saves you $10.00 a month at this usage, $120 a year.

At a glance

AttributeGemini 2.5 FlashGLM 4.7
Made byGoogleZ.ai
AvailabilityComing soonComing soon
Overall gradeStrong · 62.9Strong · 66.3
Overall rank#36 of 67#34 of 67
Input price$0.30 per 1M$0.40 per 1M
Output price$2.50 per 1M$1.75 per 1M
Context window1,000,000 tokens202,752 tokens
Reasoning levelsYesNo
Reads imagesYesNo
Model IDgemini-2.5-flashglm-4.7

Try both with one key

Same endpoint, same key, both hosted in the USA. Change one word to switch models, in Claude Code, Cursor, Cline or your own code.

Get your API key
# Ask either model the same thing
curl https://fullsendai.com/v1/chat/completions \
  -H "Authorization: Bearer $FULLSEND_API_KEY" \
  -d '{"model": "gemini-2.5-flash", "messages": [...]}'

# …then swap one word
  -d '{"model": "glm-4.7", "messages": [...]}'

Questions

Is Gemini 2.5 Flash or GLM 4.7 better?

GLM 4.7 grades 66.3 against 62.9 for Gemini 2.5 Flash, from public benchmarks.

Which is cheaper, Gemini 2.5 Flash or GLM 4.7?

GLM 4.7: $0.40 in and $1.75 out per million tokens, against $0.30 and $2.50 through FullsendAI.

Which has the larger context window?

Gemini 2.5 Flash, with 1,000,000 tokens.

Can I use both with one API key?

Yes, once they launch: both are coming soon, at the prices shown, and both will use the same FullsendAI key.

Model rankingsAll benchmarksCompare other models

Scores: LMArena (CC BY 4.0), SWE-bench, Terminal-Bench, LiveCodeBench, and model makers’ published results where marked v. Prices are FullsendAI’s, per million tokens. Data as of Oct 28, 2026.