GLM 5.3 FlashX Legal vs GPT Image 2.6 Sunburst
Price, context window & benchmark comparison
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Verdict: GLM 5.3 FlashX Legal has the larger context window (1M vs —).
| GLM 5.3 FlashX Legal | GPT Image 2.6 Sunburst | |
|---|---|---|
| Input price / 1M | $0.37 | $5.00 |
| Output price / 1M | $1.25 | — |
| Blended price (3:1) | $0.59 | — |
| Cached input / 1M | $0.075 | $1.25 |
| Context window | 1M | — |
| Max output | 131K | — |
| Intelligence index | — | — |
| Coding index | — | — |
| Providers | 1 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | No |
| Tool calling | Yes | No |
| Released | 2026-11-02 | 2026-11-04 |
| Retirement | — | — |
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FAQ
Which is cheaper, GLM 5.3 FlashX Legal or GPT Image 2.6 Sunburst?
GLM 5.3 FlashX Legal and GPT Image 2.6 Sunburst are priced identically.
GLM 5.3 FlashX Legal vs GPT Image 2.6 Sunburst: which has a bigger context window?
GLM 5.3 FlashX Legal: 1,048,576 tokens. GPT Image 2.6 Sunburst: — tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GLM 5.3 FlashX Legal ≈ $1,365, GPT Image 2.6 Sunburst ≈ $10,000.
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