Best Long Context Coding Models
Long-context models are valuable for agent workflows that need large repositories, logs, documentation, and multi-file reasoning.
| # | Model | SWE-bench | Context | Cost | Open |
|---|---|---|---|---|---|
| 1 | Opus 4.8 | 88.6 | 1M | $5/$25 | No |
| 2 | Opus 4.7 | 87.6 | 1M | $5/$30 | No |
| 3 | GPT-5.5 | 82.6 | 258K | $6/$25 | No |
| 4 | GLM-5.2 | 81.4 | 1M | Pending | Yes |
| 5 | Gemini 3.1 Pro | 80.6 | 1M+ | $1.5/$6 | No |
| 6 | Qwen 3.7 Max | 80.4 | 1M | $1.66/$4.95 | No |
| 7 | Kimi K2.6 | 80.2 | 256K | $0.6/$2.5 | Yes |
| 8 | Sonnet 4.6 | 79.6 | 1M | $2/$8 | No |
| 9 | GPT-5.4 | 79.2 | 1M | $5/$20 | No |
| 10 | DeepSeek V4 Pro | 79.1 | 1M | $0.44/$0.87 | Yes |
| 11 | DeepSeek V4 Flash | 79 | 1M | $0.14/$0.28 | Yes |
| 12 | Gemini 3 Flash | 76.2 | 1M+ | $0.5/$3 | No |
| 13 | Llama 4 Maverick | 62 | 1M | $0.8/$2.2 | Yes |
| 14 | Opus Mythos unknown 50% hype haircut: no reliable public community test data yet. | 47 | 1M | TBD | No |
How to read this: Agent pages score the wrapper and workflow. Stack pages score agent plus model combinations.
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