Compare models
updated September 30, 2026
The pairings that decide real deployments get full head-to-head pages: score gap, list pricing, and the cost of a concrete consult workload on each model. Every other pairing is in the score-difference matrix below.
Head-to-head pages
- 0.660 vs 0.605 · Claude Fable 5 by 0.055
- 0.605 vs 0.598 · GPT-5.6 Sol by 0.007
- 0.578 vs 0.577 · Claude Sonnet 5 by 0.001
- 0.660 vs 0.598 · Claude Fable 5 by 0.062
- 0.598 vs 0.558 · Claude Opus 5 by 0.040
- 0.557 vs 0.384 · GPT-5.6 Luna by 0.173
Score-difference matrix
Row score minus column score, so a positive number means the row model scores higher. Columns are numbered by rank.
| model | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. GPT-6 Astra (Anthropic run) | · | +0.011 | +0.043 | +0.047 | +0.056 | +0.070 | +0.082 | +0.095 | +0.095 | +0.098 | +0.105 | +0.110 | +0.125 | +0.126 | +0.129 | +0.136 | +0.145 | +0.146 | +0.162 | +0.163 | +0.184 | +0.185 | +0.218 | +0.222 | +0.241 | +0.244 | +0.261 | +0.262 | +0.307 | +0.319 | +0.353 |
| 2. Claude Sonnet 5.5 | -0.011 | · | +0.032 | +0.036 | +0.045 | +0.059 | +0.071 | +0.084 | +0.084 | +0.087 | +0.094 | +0.099 | +0.114 | +0.115 | +0.118 | +0.125 | +0.134 | +0.135 | +0.151 | +0.152 | +0.173 | +0.174 | +0.207 | +0.211 | +0.230 | +0.233 | +0.250 | +0.251 | +0.296 | +0.308 | +0.342 |
| 3. Claude Fable 5 | -0.043 | -0.032 | · | +0.004 | +0.013 | +0.027 | +0.039 | +0.052 | +0.052 | +0.055 | +0.062 | +0.067 | +0.082 | +0.083 | +0.086 | +0.093 | +0.102 | +0.103 | +0.119 | +0.120 | +0.141 | +0.142 | +0.175 | +0.179 | +0.198 | +0.201 | +0.218 | +0.219 | +0.264 | +0.276 | +0.310 |
| 4. Claude Opus 5.5 | -0.047 | -0.036 | -0.004 | · | +0.009 | +0.023 | +0.035 | +0.048 | +0.048 | +0.051 | +0.058 | +0.063 | +0.078 | +0.079 | +0.082 | +0.089 | +0.098 | +0.099 | +0.115 | +0.116 | +0.137 | +0.138 | +0.171 | +0.175 | +0.194 | +0.197 | +0.214 | +0.215 | +0.260 | +0.272 | +0.306 |
| 5. GPT-6 Astra | -0.056 | -0.045 | -0.013 | -0.009 | · | +0.014 | +0.026 | +0.039 | +0.039 | +0.042 | +0.049 | +0.054 | +0.069 | +0.070 | +0.073 | +0.080 | +0.089 | +0.090 | +0.106 | +0.107 | +0.128 | +0.129 | +0.162 | +0.166 | +0.185 | +0.188 | +0.205 | +0.206 | +0.251 | +0.263 | +0.297 |
| 6. Claude Fable 5 (September card) | -0.070 | -0.059 | -0.027 | -0.023 | -0.014 | · | +0.012 | +0.025 | +0.025 | +0.028 | +0.035 | +0.040 | +0.055 | +0.056 | +0.059 | +0.066 | +0.075 | +0.076 | +0.092 | +0.093 | +0.114 | +0.115 | +0.148 | +0.152 | +0.171 | +0.174 | +0.191 | +0.192 | +0.237 | +0.249 | +0.283 |
| 7. Claude Fable 5.1 | -0.082 | -0.071 | -0.039 | -0.035 | -0.026 | -0.012 | · | +0.013 | +0.013 | +0.016 | +0.023 | +0.028 | +0.043 | +0.044 | +0.047 | +0.054 | +0.063 | +0.064 | +0.080 | +0.081 | +0.102 | +0.103 | +0.136 | +0.140 | +0.159 | +0.162 | +0.179 | +0.180 | +0.225 | +0.237 | +0.271 |
| 8. GPT-6 Luna | -0.095 | -0.084 | -0.052 | -0.048 | -0.039 | -0.025 | -0.013 | · | 0.000 | +0.003 | +0.010 | +0.015 | +0.030 | +0.031 | +0.034 | +0.041 | +0.050 | +0.051 | +0.067 | +0.068 | +0.089 | +0.090 | +0.123 | +0.127 | +0.146 | +0.149 | +0.166 | +0.167 | +0.212 | +0.224 | +0.258 |
| 9. GPT-6 Sol | -0.095 | -0.084 | -0.052 | -0.048 | -0.039 | -0.025 | -0.013 | 0.000 | · | +0.003 | +0.010 | +0.015 | +0.030 | +0.031 | +0.034 | +0.041 | +0.050 | +0.051 | +0.067 | +0.068 | +0.089 | +0.090 | +0.123 | +0.127 | +0.146 | +0.149 | +0.166 | +0.167 | +0.212 | +0.224 | +0.258 |
| 10. GPT-5.6 Sol | -0.098 | -0.087 | -0.055 | -0.051 | -0.042 | -0.028 | -0.016 | -0.003 | -0.003 | · | +0.007 | +0.012 | +0.027 | +0.028 | +0.031 | +0.038 | +0.047 | +0.048 | +0.064 | +0.065 | +0.086 | +0.087 | +0.120 | +0.124 | +0.143 | +0.146 | +0.163 | +0.164 | +0.209 | +0.221 | +0.255 |
| 11. Claude Opus 5 | -0.105 | -0.094 | -0.062 | -0.058 | -0.049 | -0.035 | -0.023 | -0.010 | -0.010 | -0.007 | · | +0.005 | +0.020 | +0.021 | +0.024 | +0.031 | +0.040 | +0.041 | +0.057 | +0.058 | +0.079 | +0.080 | +0.113 | +0.117 | +0.136 | +0.139 | +0.156 | +0.157 | +0.202 | +0.214 | +0.248 |
| 12. Muse Spark 1.1 | -0.110 | -0.099 | -0.067 | -0.063 | -0.054 | -0.040 | -0.028 | -0.015 | -0.015 | -0.012 | -0.005 | · | +0.015 | +0.016 | +0.019 | +0.026 | +0.035 | +0.036 | +0.052 | +0.053 | +0.074 | +0.075 | +0.108 | +0.112 | +0.131 | +0.134 | +0.151 | +0.152 | +0.197 | +0.209 | +0.243 |
| 13. Claude Sonnet 5 | -0.125 | -0.114 | -0.082 | -0.078 | -0.069 | -0.055 | -0.043 | -0.030 | -0.030 | -0.027 | -0.020 | -0.015 | · | +0.001 | +0.004 | +0.011 | +0.020 | +0.021 | +0.037 | +0.038 | +0.059 | +0.060 | +0.093 | +0.097 | +0.116 | +0.119 | +0.136 | +0.137 | +0.182 | +0.194 | +0.228 |
| 14. GPT-5.6 Terra | -0.126 | -0.115 | -0.083 | -0.079 | -0.070 | -0.056 | -0.044 | -0.031 | -0.031 | -0.028 | -0.021 | -0.016 | -0.001 | · | +0.003 | +0.010 | +0.019 | +0.020 | +0.036 | +0.037 | +0.058 | +0.059 | +0.092 | +0.096 | +0.115 | +0.118 | +0.135 | +0.136 | +0.181 | +0.193 | +0.227 |
| 15. Claude Opus 4.8 (Opus 4.8 grader) | -0.129 | -0.118 | -0.086 | -0.082 | -0.073 | -0.059 | -0.047 | -0.034 | -0.034 | -0.031 | -0.024 | -0.019 | -0.004 | -0.003 | · | +0.007 | +0.016 | +0.017 | +0.033 | +0.034 | +0.055 | +0.056 | +0.089 | +0.093 | +0.112 | +0.115 | +0.132 | +0.133 | +0.178 | +0.190 | +0.224 |
| 16. Grok 4.7 | -0.136 | -0.125 | -0.093 | -0.089 | -0.080 | -0.066 | -0.054 | -0.041 | -0.041 | -0.038 | -0.031 | -0.026 | -0.011 | -0.010 | -0.007 | · | +0.009 | +0.010 | +0.026 | +0.027 | +0.048 | +0.049 | +0.082 | +0.086 | +0.105 | +0.108 | +0.125 | +0.126 | +0.171 | +0.183 | +0.217 |
| 17. Claude Opus 4.8 | -0.145 | -0.134 | -0.102 | -0.098 | -0.089 | -0.075 | -0.063 | -0.050 | -0.050 | -0.047 | -0.040 | -0.035 | -0.020 | -0.019 | -0.016 | -0.009 | · | +0.001 | +0.017 | +0.018 | +0.039 | +0.040 | +0.073 | +0.077 | +0.096 | +0.099 | +0.116 | +0.117 | +0.162 | +0.174 | +0.208 |
| 18. GPT-5.6 Luna | -0.146 | -0.135 | -0.103 | -0.099 | -0.090 | -0.076 | -0.064 | -0.051 | -0.051 | -0.048 | -0.041 | -0.036 | -0.021 | -0.020 | -0.017 | -0.010 | -0.001 | · | +0.016 | +0.017 | +0.038 | +0.039 | +0.072 | +0.076 | +0.095 | +0.098 | +0.115 | +0.116 | +0.161 | +0.173 | +0.207 |
| 19. Muse Spark | -0.162 | -0.151 | -0.119 | -0.115 | -0.106 | -0.092 | -0.080 | -0.067 | -0.067 | -0.064 | -0.057 | -0.052 | -0.037 | -0.036 | -0.033 | -0.026 | -0.017 | -0.016 | · | +0.001 | +0.022 | +0.023 | +0.056 | +0.060 | +0.079 | +0.082 | +0.099 | +0.100 | +0.145 | +0.157 | +0.191 |
| 20. GPT-5.6 Sol (August) | -0.163 | -0.152 | -0.120 | -0.116 | -0.107 | -0.093 | -0.081 | -0.068 | -0.068 | -0.065 | -0.058 | -0.053 | -0.038 | -0.037 | -0.034 | -0.027 | -0.018 | -0.017 | -0.001 | · | +0.021 | +0.022 | +0.055 | +0.059 | +0.078 | +0.081 | +0.098 | +0.099 | +0.144 | +0.156 | +0.190 |
| 21. Claude Opus 4.7 | -0.184 | -0.173 | -0.141 | -0.137 | -0.128 | -0.114 | -0.102 | -0.089 | -0.089 | -0.086 | -0.079 | -0.074 | -0.059 | -0.058 | -0.055 | -0.048 | -0.039 | -0.038 | -0.022 | -0.021 | · | +0.001 | +0.034 | +0.038 | +0.057 | +0.060 | +0.077 | +0.078 | +0.123 | +0.135 | +0.169 |
| 22. GPT-5.5 | -0.185 | -0.174 | -0.142 | -0.138 | -0.129 | -0.115 | -0.103 | -0.090 | -0.090 | -0.087 | -0.080 | -0.075 | -0.060 | -0.059 | -0.056 | -0.049 | -0.040 | -0.039 | -0.023 | -0.022 | -0.001 | · | +0.033 | +0.037 | +0.056 | +0.059 | +0.076 | +0.077 | +0.122 | +0.134 | +0.168 |
| 23. Grok 4.6 | -0.218 | -0.207 | -0.175 | -0.171 | -0.162 | -0.148 | -0.136 | -0.123 | -0.123 | -0.120 | -0.113 | -0.108 | -0.093 | -0.092 | -0.089 | -0.082 | -0.073 | -0.072 | -0.056 | -0.055 | -0.034 | -0.033 | · | +0.004 | +0.023 | +0.026 | +0.043 | +0.044 | +0.089 | +0.101 | +0.135 |
| 24. GPT-5.4 | -0.222 | -0.211 | -0.179 | -0.175 | -0.166 | -0.152 | -0.140 | -0.127 | -0.127 | -0.124 | -0.117 | -0.112 | -0.097 | -0.096 | -0.093 | -0.086 | -0.077 | -0.076 | -0.060 | -0.059 | -0.038 | -0.037 | -0.004 | · | +0.019 | +0.022 | +0.039 | +0.040 | +0.085 | +0.097 | +0.131 |
| 25. GPT-5 | -0.241 | -0.230 | -0.198 | -0.194 | -0.185 | -0.171 | -0.159 | -0.146 | -0.146 | -0.143 | -0.136 | -0.131 | -0.116 | -0.115 | -0.112 | -0.105 | -0.096 | -0.095 | -0.079 | -0.078 | -0.057 | -0.056 | -0.023 | -0.019 | · | +0.003 | +0.020 | +0.021 | +0.066 | +0.078 | +0.112 |
| 26. GPT-5.2 | -0.244 | -0.233 | -0.201 | -0.197 | -0.188 | -0.174 | -0.162 | -0.149 | -0.149 | -0.146 | -0.139 | -0.134 | -0.119 | -0.118 | -0.115 | -0.108 | -0.099 | -0.098 | -0.082 | -0.081 | -0.060 | -0.059 | -0.026 | -0.022 | -0.003 | · | +0.017 | +0.018 | +0.063 | +0.075 | +0.109 |
| 27. Claude Sonnet 4.6 | -0.261 | -0.250 | -0.218 | -0.214 | -0.205 | -0.191 | -0.179 | -0.166 | -0.166 | -0.163 | -0.156 | -0.151 | -0.136 | -0.135 | -0.132 | -0.125 | -0.116 | -0.115 | -0.099 | -0.098 | -0.077 | -0.076 | -0.043 | -0.039 | -0.020 | -0.017 | · | +0.001 | +0.046 | +0.058 | +0.092 |
| 28. GPT-5.6 Luna (August) | -0.262 | -0.251 | -0.219 | -0.215 | -0.206 | -0.192 | -0.180 | -0.167 | -0.167 | -0.164 | -0.157 | -0.152 | -0.137 | -0.136 | -0.133 | -0.126 | -0.117 | -0.116 | -0.100 | -0.099 | -0.078 | -0.077 | -0.044 | -0.040 | -0.021 | -0.018 | -0.001 | · | +0.045 | +0.057 | +0.091 |
| 29. GPT-5.1 | -0.307 | -0.296 | -0.264 | -0.260 | -0.251 | -0.237 | -0.225 | -0.212 | -0.212 | -0.209 | -0.202 | -0.197 | -0.182 | -0.181 | -0.178 | -0.171 | -0.162 | -0.161 | -0.145 | -0.144 | -0.123 | -0.122 | -0.089 | -0.085 | -0.066 | -0.063 | -0.046 | -0.045 | · | +0.012 | +0.046 |
| 30. GPT-5.5 Instant | -0.319 | -0.308 | -0.276 | -0.272 | -0.263 | -0.249 | -0.237 | -0.224 | -0.224 | -0.221 | -0.214 | -0.209 | -0.194 | -0.193 | -0.190 | -0.183 | -0.174 | -0.173 | -0.157 | -0.156 | -0.135 | -0.134 | -0.101 | -0.097 | -0.078 | -0.075 | -0.058 | -0.057 | -0.012 | · | +0.034 |
| 31. MAI-Thinking-1 | -0.353 | -0.342 | -0.310 | -0.306 | -0.297 | -0.283 | -0.271 | -0.258 | -0.258 | -0.255 | -0.248 | -0.243 | -0.228 | -0.227 | -0.224 | -0.217 | -0.208 | -0.207 | -0.191 | -0.190 | -0.169 | -0.168 | -0.135 | -0.131 | -0.112 | -0.109 | -0.092 | -0.091 | -0.046 | -0.034 | · |
Differences of 0.01 or less on a 525-task set are inside the noise between 2 separate scorings of the same model, and the numbers come from different published documents, so read them as ties.
Per-model detail, including pricing and context windows, is on the models page.