Codex Results by Model
| # | Model | Run | Agent | Mode | Score | Eval | Tests | Est. cost | Calls | Wall | Evidence |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | GPT 5.5 (xhigh) | 20260517T094700Z |
Codex /goal | Mini-SWE-compatible no internet | 93.8% | ok | 1111/1184 | $5.28 | 102 | 0.24h | manifest · eval json · eval summary · usage audit |
| 2 | GPT 5.5 (xhigh) | 20260519T215046Z |
Codex /goal | Paper prompt + Goal contract no internet | 93.7% | ok | 1109/1184 | $3.59 | 65 | 0.21h | not exported |
| 3 | GPT 5.5 (xhigh) | 20260518T232006Z |
Codex /goal | Paper prompt + /goal no internet | 18.9% | ok | 224/1184 | $3.24 | 54 | 0.21h | manifest · eval json · eval summary · agent summary · usage audit |
Why Scores Differ
Official ProgramBench rows are the public mini-SWE-agent submissions. GoalBench rows are separate Codex /goal submissions. Same model label does not mean the same agent, prompt, tool loop, or generated implementation. A GoalBench row is resolved only when the ProgramBench-scored pass rate is exactly 100%.
GPT 5.5 (xhigh) · 20260517T094700Z
93.8% from 1111/1184 ProgramBench-scored tests. Raw public eval statuses: failure: 72, passed: 1143, skipped: 21.
Agent trace summary unavailable.
Likely miss class: behavioral mismatch.
49179779960btests.test_advanced.test_reflink_never_warning_message (failure)49179779960btests.test_attributes.test_timestamp_preservation_default (failure)49179779960btests.test_config_additional.test_reflink_always_on_non_reflink_filesystem (failure)49179779960btests.test_cli_flags.test_multiple_verbose_flags_increase_verbosity_fixed (failure)49179779960btests.test_attributes.test_timestamp_nanosecond_precision (failure)49179779960btests.test_attributes.test_timestamp_preservation_across_dst_changes (failure)
GPT 5.5 (xhigh) · 20260519T215046Z
Public eval evidence has not been exported for this row yet.
GPT 5.5 (xhigh) · 20260518T232006Z
18.9% from 224/1184 ProgramBench-scored tests. Raw public eval statuses: failure: 972, passed: 243, skipped: 21.
Agent trace: 135 shell command(s), 103 executable-observation command(s), 4 build command(s), 0 blocked attempt(s). Raw Codex logs are not published.
Likely miss class: behavioral mismatch.
0ed2ee2b4c94eval.tests.test_advanced_options.test_no_progress_flag (failure)0ed2ee2b4c94eval.tests.test_comprehensive_coverage.test_parblock_very_small_block_size (failure)0ed2ee2b4c94eval.tests.test_backup_modes.test_backup_numbered_increments (failure)0ed2ee2b4c94eval.tests.test_advanced_options.test_parfile_driver (failure)0ed2ee2b4c94eval.tests.test_coverage_improvements.test_fsync_with_file (failure)0ed2ee2b4c94eval.tests.test_comprehensive_coverage.test_dereference_with_parblock (failure)
manifest · eval json · eval summary · agent summary · usage audit
Official ProgramBench Results by Model
| # | Model | Provider | Score | Cost | Calls |
|---|---|---|---|---|---|
| 1 | GPT 5.5 (xhigh) | OpenAI | 95.8% | $6.37 | 62 |
| 2 | Claude Opus 4.6 | Anthropic | 92.6% | $5.01 | 138 |
| 3 | Claude Sonnet 4.6 | Anthropic | 91.7% | $8.99 | 330 |
| 4 | Claude Opus 4.7 (xhigh) | Anthropic | 91.5% | $13.71 | 263 |
| 5 | Claude Opus 4.7 | Anthropic | 84.7% | $2.57 | 85 |
| 6 | GPT 5.4 | OpenAI | 84.5% | $0.28 | 10 |
| 7 | Gemini 3.1 Pro | 73.7% | $0.72 | 42 | |
| 8 | GPT 5.5 | OpenAI | 38.7% | $1.33 | 18 |
| 9 | GPT 5.4 mini | OpenAI | 22.5% | $0.04 | 18 |
| 10 | Gemini 3 Flash | 18.6% | $0.24 | 57 | |
| 11 | GPT 5 mini | OpenAI | 4.3% | $0.02 | 16 |
| 12 | Claude Haiku 4.5 | Anthropic | 0.0% | $0.73 | 107 |
| 13 | GPT 5.5 (high) | OpenAI | n/a | $1.95 | 25 |