Cheapest models
Ranked by blended API price (75% input + 25% output, USD per 1M tokens). Free promotional listings excluded.
Ranked by blended API price (75% input + 25% output, USD per 1M tokens). Free promotional listings excluded. Source: OpenRouter. Variants (reasoning effort, batch) are folded into one row.
| # | Model | Capability | Reasoning | Coding | Context | $/M | Weights | Released |
|---|---|---|---|---|---|---|---|---|
| 51 | KAT-Coder-Pro V2.5Kuaishou | — | — | — | 262K | $1.29 | — | 10 Jul 2026 |
| 52 | DeepSeek V4 Pro 0813DeepSeek | 155.4 | 91.7 | — | 1.05M | $1.41 | Open | 13 Aug 2026 |
| 53 | Sakana NamazuSakana AI | — | — | — | 262K | $1.71 | — | 11 Aug 2026 |
| 54 | InklingThinking Machines Lab | 148.6 | — | — | 524K | $1.76 | Open | 15 Jul 2026 |
| 55 | Muse Spark 1.3NEWMeta | 156.9 | — | — | 1.05M | $2.00 | Closed | 2 Sep 2026 |
| 56 | Muse Spark 1.2Meta | 155.2 | — | — | 1.05M | $2.00 | Closed | 5 Aug 2026 |
| 57 | Muse Spark 1.1Meta | 154.3 | — | 53.3 | 1.05M | $2.00 | Closed | 9 Jul 2026 |
| 58 | Claude Sonnet 5.5NEWbatchAnthropic · +1 variant | — | — | — | 1M | $2.00 | — | 28 Sep 2026 |
| 59 | GPT-5.6 SolbatchOpenAI · +1 variant | — | — | — | 1.05M | $2.00 | — | 9 Jul 2026 |
| 60 | GPT-5.6 Sol ProbatchOpenAI · +1 variant | — | — | — | 1.05M | $2.00 | — | 9 Jul 2026 |
| 61 | GPT-6 SolNEWbatchOpenAI · +1 variant | — | — | — | 1.05M | $2.00 | — | 22 Sep 2026 |
| 62 | GPT-6 Sol ProNEWbatchOpenAI · +1 variant | — | — | — | 1.05M | $2.00 | — | 22 Sep 2026 |
| 63 | GPT-5.6 TerrabatchOpenAI · +1 variant | — | — | — | 1.05M | $2.25 | — | 9 Jul 2026 |
| 64 | GPT-5.6 Terra ProbatchOpenAI · +1 variant | — | — | — | 1.05M | $2.25 | — | 9 Jul 2026 |
| 65 | Grok 4.6xAI | 156.5 | 94.0 | 65.2 | 500K | $3.00 | Closed | 12 Aug 2026 |
| 66 | Qwen3.8 Max (0902)NEWAlibaba (Qwen) | 155.3 | — | — | 1M | $3.00 | Closed | 1 Sep 2026 |
| 67 | Grok 4.5xAI | 154.0 | 93.4 | 53.8 | 500K | $3.00 | Closed | 8 Jul 2026 |
| 68 | Fugu MaxNEWSakana AI | — | — | — | 1M | $3.00 | — | 11 Sep 2026 |
| 69 | Grok 4.7NEWxAI | — | — | — | 500K | $3.00 | — | 21 Sep 2026 |
| 70 | Qwen3.8 2.4T A95BAlibaba (Qwen) | — | — | — | 1.05M | $3.00 | Open | 12 Aug 2026 |
| 71 | Aion 3.5NEWAionLabs | — | — | — | 262K | $3.75 | — | 23 Sep 2026 |
| 72 | Aion-3.0AionLabs | — | — | — | 131K | $3.75 | — | 7 Jul 2026 |
| 73 | ParetoNEWunbiased | — | — | — | 262K | $3.75 | — | 17 Sep 2026 |
| 74 | Claude Opus 5.5NEWbatchAnthropic · +1 variant | — | — | — | 1M | $4.00 | — | 22 Sep 2026 |
| 75 | GLM 5.3 PrimeNEWZ.ai (Zhipu AI) | — | — | — | 1M | $4.30 | — | 23 Sep 2026 |
| 76 | Kimi K3batchMoonshot AI · +1 variant | — | — | — | 1.05M | $4.56 | Open | 16 Jul 2026 |
| 77 | Claude Opus 5batchAnthropic · +1 variant | — | — | — | 1M | $5.00 | — | 24 Jul 2026 |
| 78 | MiMo-V2.6-Pro-UltraSpeedNEWXiaomi | — | — | — | 1.05M | $5.44 | — | 21 Sep 2026 |
| 79 | Ember-1NEWFireworks AI | — | — | — | 1.05M | $6.00 | — | 24 Sep 2026 |
| 80 | Qwen3.8 Max PrimeNEWAlibaba (Qwen) | — | — | — | 1M | $6.00 | — | 23 Sep 2026 |
| 81 | Claude Fable 5.1NEWbatchAnthropic · +1 variant | — | — | — | 1M | $10.00 | — | 1 Sep 2026 |
| 82 | GPT-6 AstraNEWbatchOpenAI · +1 variant | — | — | — | 1.05M | $10.00 | — | 4 Sep 2026 |
| 83 | GPT-6 Astra ProNEWbatchOpenAI · +1 variant | — | — | — | 1.05M | $10.00 | — | 4 Sep 2026 |
| 84 | Fugu Ultra v2NEWSakana AI | — | — | — | 1M | $11.25 | — | 11 Sep 2026 |
— means no published score from that source yet · click a model for every benchmark with its source
New - awaiting independent evaluation
All new models →- Claude Sonnet 5.5Anthropic · 28 Sep 2026 · AA 56 · 1M · $4.00/M
- Qwen3.8 Max PrimeAlibaba (Qwen) · 23 Sep 2026 · 1M · $6.00/M
- GPT-6 SolOpenAI · 22 Sep 2026 · AA 47.5 · 1.05M · $4.00/M
- GPT-6 LunaOpenAI · 22 Sep 2026 · AA 37.3 · 1.05M · $0.20/M
- GPT-6 Sol ProOpenAI · 22 Sep 2026 · 1.05M · $4.00/M
- GPT-6 Luna ProOpenAI · 22 Sep 2026 · 1.05M · $0.20/M
- Claude Opus 5.5Anthropic · 22 Sep 2026 · AA 57.6 · 1M · $8.00/M
- Grok 4.7xAI · 21 Sep 2026 · AA 46.4 · 500K · $3.00/M
Not ranked until an independent evaluator (Epoch AI) publishes scores. We don't use vendor-reported benchmark claims for rankings.
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